870840880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:184

約数の個数: 320

約数和(自身を含む): 2650330368

約数和(自身を除く): 1779489488

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 37, 40, 52, 53, 56, 61, 65, 70, 74, 80, 91, 104, 106, 112, 122, 130, 140, 148, 182, 185, 208, 212, 244, 259, 260, 265, 280, 296, 305, 364, 370, 371, 424, 427, 455, 481, 488, 518, 520, 530, 560, 592, 610, 689, 728, 740, 742, 793, 848, 854, 910, 962, 976, 1036, 1040, 1060, 1220, 1295, 1378, 1456, 1480, 1484, 1586, 1708, 1820, 1855, 1924, 1961, 2072, 2120, 2135, 2257, 2405, 2440, 2590, 2756, 2960, 2968, 3172, 3233, 3367, 3416, 3445, 3640, 3710, 3848, 3922, 3965, 4144, 4240, 4270, 4514, 4810, 4823, 4880, 5180, 5512, 5551, 5936, 6344, 6466, 6734, 6832, 6890, 7280, 7420, 7696, 7844, 7930, 8540, 9028, 9620, 9646, 9805, 10360, 11024, 11102, 11285, 12688, 12932, 13468, 13727, 13780, 14840, 15688, 15799, 15860, 16165, 16835, 17080, 18056, 19240, 19292, 19610, 20720, 22204, 22570, 22631, 24115, 25493, 25864, 26936, 27454, 27560, 27755, 29341, 29680, 31376, 31598, 31720, 32330, 33670, 34160, 36112, 38480, 38584, 39220, 42029, 44408, 45140, 45262, 48230, 50986, 51728, 53872, 54908, 55120, 55510, 58682, 63196, 63440, 64660, 67340, 68635, 77168, 78440, 78995, 84058, 88816, 90280, 90524, 96460, 101972, 109816, 111020, 113155, 117364, 119621, 126392, 127465, 129320, 134680, 137270, 146705, 156880, 157990, 168116, 178451, 180560, 181048, 192920, 203944, 205387, 210145, 219632, 222040, 226310, 234728, 239242, 252784, 254930, 258640, 269360, 274540, 293410, 294203, 315980, 336232, 356902, 362096, 385840, 407888, 410774, 420290, 444080, 452620, 469456, 478484, 509860, 549080, 586820, 588406, 598105, 631960, 672464, 713804, 821548, 837347, 840580, 892255, 905240, 956968, 1019720, 1026935, 1098160, 1173640, 1176812, 1196210, 1263920, 1427608, 1471015, 1555073, 1643096, 1674694, 1681160, 1784510, 1810480, 1913936, 2039440, 2053870, 2347280, 2353624, 2392420, 2855216, 2942030, 3110146, 3286192, 3349388, 3362320, 3569020, 4107740, 4186735, 4707248, 4784840, 5884060, 6220292, 6698776, 7138040, 7775365, 8215480, 8373470, 9569680, 10885511, 11768120, 12440584, 13397552, 14276080, 15550730, 16430960, 16746940, 21771022, 23536240, 24881168, 31101460, 33493880, 43542044, 54427555, 62202920, 66987760, 87084088, 108855110, 124405840, 174168176, 217710220, 435420440, 870840880]

約数ペア:

[(1, 870840880), (2, 435420440), (4, 217710220), (5, 174168176), (7, 124405840), (8, 108855110), (10, 87084088), (13, 66987760), (14, 62202920), (16, 54427555), (20, 43542044), (26, 33493880), (28, 31101460), (35, 24881168), (37, 23536240), (40, 21771022), (52, 16746940), (53, 16430960), (56, 15550730), (61, 14276080), (65, 13397552), (70, 12440584), (74, 11768120), (80, 10885511), (91, 9569680), (104, 8373470), (106, 8215480), (112, 7775365), (122, 7138040), (130, 6698776), (140, 6220292), (148, 5884060), (182, 4784840), (185, 4707248), (208, 4186735), (212, 4107740), (244, 3569020), (259, 3362320), (260, 3349388), (265, 3286192), (280, 3110146), (296, 2942030), (305, 2855216), (364, 2392420), (370, 2353624), (371, 2347280), (424, 2053870), (427, 2039440), (455, 1913936), (481, 1810480), (488, 1784510), (518, 1681160), (520, 1674694), (530, 1643096), (560, 1555073), (592, 1471015), (610, 1427608), (689, 1263920), (728, 1196210), (740, 1176812), (742, 1173640), (793, 1098160), (848, 1026935), (854, 1019720), (910, 956968), (962, 905240), (976, 892255), (1036, 840580), (1040, 837347), (1060, 821548), (1220, 713804), (1295, 672464), (1378, 631960), (1456, 598105), (1480, 588406), (1484, 586820), (1586, 549080), (1708, 509860), (1820, 478484), (1855, 469456), (1924, 452620), (1961, 444080), (2072, 420290), (2120, 410774), (2135, 407888), (2257, 385840), (2405, 362096), (2440, 356902), (2590, 336232), (2756, 315980), (2960, 294203), (2968, 293410), (3172, 274540), (3233, 269360), (3367, 258640), (3416, 254930), (3445, 252784), (3640, 239242), (3710, 234728), (3848, 226310), (3922, 222040), (3965, 219632), (4144, 210145), (4240, 205387), (4270, 203944), (4514, 192920), (4810, 181048), (4823, 180560), (4880, 178451), (5180, 168116), (5512, 157990), (5551, 156880), (5936, 146705), (6344, 137270), (6466, 134680), (6734, 129320), (6832, 127465), (6890, 126392), (7280, 119621), (7420, 117364), (7696, 113155), (7844, 111020), (7930, 109816), (8540, 101972), (9028, 96460), (9620, 90524), (9646, 90280), (9805, 88816), (10360, 84058), (11024, 78995), (11102, 78440), (11285, 77168), (12688, 68635), (12932, 67340), (13468, 64660), (13727, 63440), (13780, 63196), (14840, 58682), (15688, 55510), (15799, 55120), (15860, 54908), (16165, 53872), (16835, 51728), (17080, 50986), (18056, 48230), (19240, 45262), (19292, 45140), (19610, 44408), (20720, 42029), (22204, 39220), (22570, 38584), (22631, 38480), (24115, 36112), (25493, 34160), (25864, 33670), (26936, 32330), (27454, 31720), (27560, 31598), (27755, 31376), (29341, 29680)]