1680432040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:611

約数の個数: 128

約数和(自身を含む): 4398831360

約数和(自身を除く): 2718399320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 173, 226, 280, 307, 346, 452, 565, 614, 692, 791, 865, 904, 1130, 1211, 1228, 1384, 1535, 1582, 1730, 2149, 2260, 2422, 2456, 3070, 3164, 3460, 3955, 4298, 4520, 4844, 6055, 6140, 6328, 6920, 7910, 8596, 9688, 10745, 12110, 12280, 15820, 17192, 19549, 21490, 24220, 31640, 34691, 39098, 42980, 48440, 53111, 69382, 78196, 85960, 97745, 106222, 136843, 138764, 156392, 173455, 195490, 212444, 242837, 265555, 273686, 277528, 346910, 371777, 390980, 424888, 485674, 531110, 547372, 684215, 693820, 743554, 781960, 971348, 1062220, 1094744, 1214185, 1368430, 1387640, 1487108, 1858885, 1942696, 2124440, 2428370, 2736860, 2974216, 3717770, 4856740, 5473720, 6001543, 7435540, 9713480, 12003086, 14871080, 24006172, 30007715, 42010801, 48012344, 60015430, 84021602, 120030860, 168043204, 210054005, 240061720, 336086408, 420108010, 840216020, 1680432040]

約数ペア:

[(1, 1680432040), (2, 840216020), (4, 420108010), (5, 336086408), (7, 240061720), (8, 210054005), (10, 168043204), (14, 120030860), (20, 84021602), (28, 60015430), (35, 48012344), (40, 42010801), (56, 30007715), (70, 24006172), (113, 14871080), (140, 12003086), (173, 9713480), (226, 7435540), (280, 6001543), (307, 5473720), (346, 4856740), (452, 3717770), (565, 2974216), (614, 2736860), (692, 2428370), (791, 2124440), (865, 1942696), (904, 1858885), (1130, 1487108), (1211, 1387640), (1228, 1368430), (1384, 1214185), (1535, 1094744), (1582, 1062220), (1730, 971348), (2149, 781960), (2260, 743554), (2422, 693820), (2456, 684215), (3070, 547372), (3164, 531110), (3460, 485674), (3955, 424888), (4298, 390980), (4520, 371777), (4844, 346910), (6055, 277528), (6140, 273686), (6328, 265555), (6920, 242837), (7910, 212444), (8596, 195490), (9688, 173455), (10745, 156392), (12110, 138764), (12280, 136843), (15820, 106222), (17192, 97745), (19549, 85960), (21490, 78196), (24220, 69382), (31640, 53111), (34691, 48440), (39098, 42980)]