253882720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 288

約数和(自身を含む): 781861248

約数和(自身を除く): 527978528

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 47, 49, 52, 53, 56, 65, 70, 80, 91, 94, 98, 104, 106, 112, 130, 140, 160, 182, 188, 196, 208, 212, 224, 235, 245, 260, 265, 280, 329, 364, 371, 376, 392, 416, 424, 455, 470, 490, 520, 530, 560, 611, 637, 658, 689, 728, 742, 752, 784, 848, 910, 940, 980, 1040, 1060, 1120, 1222, 1274, 1316, 1378, 1456, 1484, 1504, 1568, 1645, 1696, 1820, 1855, 1880, 1960, 2080, 2120, 2303, 2444, 2491, 2548, 2597, 2632, 2756, 2912, 2968, 3055, 3185, 3290, 3445, 3640, 3710, 3760, 3920, 4240, 4277, 4606, 4823, 4888, 4982, 5096, 5194, 5264, 5512, 5936, 6110, 6370, 6580, 6890, 7280, 7420, 7520, 7840, 8480, 8554, 9212, 9646, 9776, 9964, 10192, 10388, 10528, 11024, 11515, 11872, 12220, 12455, 12740, 12985, 13160, 13780, 14560, 14840, 17108, 17437, 18424, 19292, 19552, 19928, 20384, 20776, 21385, 22048, 23030, 24115, 24440, 24910, 25480, 25970, 26320, 27560, 29680, 29939, 32383, 33761, 34216, 34874, 36848, 38584, 39856, 41552, 42770, 46060, 48230, 48880, 49820, 50960, 51940, 52640, 55120, 59360, 59878, 64766, 67522, 68432, 69748, 73696, 77168, 79712, 83104, 85540, 87185, 92120, 96460, 97760, 99640, 101920, 103880, 110240, 119756, 122059, 129532, 135044, 136864, 139496, 149695, 154336, 161915, 168805, 171080, 174370, 184240, 192920, 199280, 207760, 226681, 239512, 244118, 259064, 270088, 278992, 299390, 323830, 337610, 342160, 348740, 368480, 385840, 398560, 415520, 453362, 479024, 488236, 518128, 540176, 557984, 598780, 610295, 647660, 675220, 684320, 697480, 771680, 906724, 958048, 976472, 1036256, 1080352, 1133405, 1197560, 1220590, 1295320, 1350440, 1394960, 1586767, 1813448, 1952944, 2266810, 2395120, 2441180, 2590640, 2700880, 2789920, 3173534, 3626896, 3905888, 4533620, 4790240, 4882360, 5181280, 5401760, 6347068, 7253792, 7933835, 9067240, 9764720, 12694136, 15867670, 18134480, 19529440, 25388272, 31735340, 36268960, 50776544, 63470680, 126941360, 253882720]

約数ペア:

[(1, 253882720), (2, 126941360), (4, 63470680), (5, 50776544), (7, 36268960), (8, 31735340), (10, 25388272), (13, 19529440), (14, 18134480), (16, 15867670), (20, 12694136), (26, 9764720), (28, 9067240), (32, 7933835), (35, 7253792), (40, 6347068), (47, 5401760), (49, 5181280), (52, 4882360), (53, 4790240), (56, 4533620), (65, 3905888), (70, 3626896), (80, 3173534), (91, 2789920), (94, 2700880), (98, 2590640), (104, 2441180), (106, 2395120), (112, 2266810), (130, 1952944), (140, 1813448), (160, 1586767), (182, 1394960), (188, 1350440), (196, 1295320), (208, 1220590), (212, 1197560), (224, 1133405), (235, 1080352), (245, 1036256), (260, 976472), (265, 958048), (280, 906724), (329, 771680), (364, 697480), (371, 684320), (376, 675220), (392, 647660), (416, 610295), (424, 598780), (455, 557984), (470, 540176), (490, 518128), (520, 488236), (530, 479024), (560, 453362), (611, 415520), (637, 398560), (658, 385840), (689, 368480), (728, 348740), (742, 342160), (752, 337610), (784, 323830), (848, 299390), (910, 278992), (940, 270088), (980, 259064), (1040, 244118), (1060, 239512), (1120, 226681), (1222, 207760), (1274, 199280), (1316, 192920), (1378, 184240), (1456, 174370), (1484, 171080), (1504, 168805), (1568, 161915), (1645, 154336), (1696, 149695), (1820, 139496), (1855, 136864), (1880, 135044), (1960, 129532), (2080, 122059), (2120, 119756), (2303, 110240), (2444, 103880), (2491, 101920), (2548, 99640), (2597, 97760), (2632, 96460), (2756, 92120), (2912, 87185), (2968, 85540), (3055, 83104), (3185, 79712), (3290, 77168), (3445, 73696), (3640, 69748), (3710, 68432), (3760, 67522), (3920, 64766), (4240, 59878), (4277, 59360), (4606, 55120), (4823, 52640), (4888, 51940), (4982, 50960), (5096, 49820), (5194, 48880), (5264, 48230), (5512, 46060), (5936, 42770), (6110, 41552), (6370, 39856), (6580, 38584), (6890, 36848), (7280, 34874), (7420, 34216), (7520, 33761), (7840, 32383), (8480, 29939), (8554, 29680), (9212, 27560), (9646, 26320), (9776, 25970), (9964, 25480), (10192, 24910), (10388, 24440), (10528, 24115), (11024, 23030), (11515, 22048), (11872, 21385), (12220, 20776), (12455, 20384), (12740, 19928), (12985, 19552), (13160, 19292), (13780, 18424), (14560, 17437), (14840, 17108)]