2178204560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:410

約数の個数: 240

約数和(自身を含む): 6311369856

約数和(自身を除く): 4133165296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 43, 56, 68, 70, 80, 85, 86, 112, 119, 136, 140, 170, 172, 215, 238, 272, 280, 289, 301, 313, 340, 344, 430, 476, 560, 578, 595, 602, 626, 680, 688, 731, 860, 952, 1156, 1190, 1204, 1252, 1360, 1445, 1462, 1505, 1565, 1720, 1904, 2023, 2191, 2312, 2380, 2408, 2504, 2890, 2924, 3010, 3130, 3440, 3655, 4046, 4382, 4624, 4760, 4816, 5008, 5117, 5321, 5780, 5848, 6020, 6260, 7310, 8092, 8764, 9520, 10115, 10234, 10642, 10955, 11560, 11696, 12040, 12427, 12520, 13459, 14620, 16184, 17528, 20230, 20468, 21284, 21910, 23120, 24080, 24854, 25040, 25585, 26605, 26918, 29240, 32368, 35056, 37247, 40460, 40936, 42568, 43820, 49708, 51170, 53210, 53836, 58480, 62135, 67295, 74494, 80920, 81872, 85136, 86989, 87640, 90457, 94213, 99416, 102340, 106420, 107672, 124270, 134590, 148988, 161840, 173978, 175280, 180914, 186235, 188426, 198832, 204680, 212840, 215344, 228803, 248540, 269180, 297976, 347956, 361828, 372470, 376852, 409360, 425680, 434945, 452285, 457606, 471065, 497080, 538360, 595952, 633199, 695912, 723656, 744940, 753704, 869890, 904570, 915212, 942130, 994160, 1076720, 1144015, 1266398, 1391824, 1447312, 1489880, 1507408, 1601621, 1739780, 1809140, 1830424, 1884260, 2288030, 2532796, 2979760, 3165995, 3203242, 3479560, 3618280, 3660848, 3768520, 3889651, 4576060, 5065592, 6331990, 6406484, 6959120, 7236560, 7537040, 7779302, 8008105, 9152120, 10131184, 12663980, 12812968, 15558604, 16016210, 18304240, 19448255, 25327960, 25625936, 27227557, 31117208, 32032420, 38896510, 50655920, 54455114, 62234416, 64064840, 77793020, 108910228, 128129680, 136137785, 155586040, 217820456, 272275570, 311172080, 435640912, 544551140, 1089102280, 2178204560]

約数ペア:

[(1, 2178204560), (2, 1089102280), (4, 544551140), (5, 435640912), (7, 311172080), (8, 272275570), (10, 217820456), (14, 155586040), (16, 136137785), (17, 128129680), (20, 108910228), (28, 77793020), (34, 64064840), (35, 62234416), (40, 54455114), (43, 50655920), (56, 38896510), (68, 32032420), (70, 31117208), (80, 27227557), (85, 25625936), (86, 25327960), (112, 19448255), (119, 18304240), (136, 16016210), (140, 15558604), (170, 12812968), (172, 12663980), (215, 10131184), (238, 9152120), (272, 8008105), (280, 7779302), (289, 7537040), (301, 7236560), (313, 6959120), (340, 6406484), (344, 6331990), (430, 5065592), (476, 4576060), (560, 3889651), (578, 3768520), (595, 3660848), (602, 3618280), (626, 3479560), (680, 3203242), (688, 3165995), (731, 2979760), (860, 2532796), (952, 2288030), (1156, 1884260), (1190, 1830424), (1204, 1809140), (1252, 1739780), (1360, 1601621), (1445, 1507408), (1462, 1489880), (1505, 1447312), (1565, 1391824), (1720, 1266398), (1904, 1144015), (2023, 1076720), (2191, 994160), (2312, 942130), (2380, 915212), (2408, 904570), (2504, 869890), (2890, 753704), (2924, 744940), (3010, 723656), (3130, 695912), (3440, 633199), (3655, 595952), (4046, 538360), (4382, 497080), (4624, 471065), (4760, 457606), (4816, 452285), (5008, 434945), (5117, 425680), (5321, 409360), (5780, 376852), (5848, 372470), (6020, 361828), (6260, 347956), (7310, 297976), (8092, 269180), (8764, 248540), (9520, 228803), (10115, 215344), (10234, 212840), (10642, 204680), (10955, 198832), (11560, 188426), (11696, 186235), (12040, 180914), (12427, 175280), (12520, 173978), (13459, 161840), (14620, 148988), (16184, 134590), (17528, 124270), (20230, 107672), (20468, 106420), (21284, 102340), (21910, 99416), (23120, 94213), (24080, 90457), (24854, 87640), (25040, 86989), (25585, 85136), (26605, 81872), (26918, 80920), (29240, 74494), (32368, 67295), (35056, 62135), (37247, 58480), (40460, 53836), (40936, 53210), (42568, 51170), (43820, 49708)]