2169393640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:755

約数の個数: 128

約数和(自身を含む): 5242890240

約数和(自身を除く): 3073496600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 71, 82, 124, 142, 155, 164, 205, 248, 284, 310, 328, 355, 410, 568, 601, 620, 710, 820, 1202, 1240, 1271, 1420, 1640, 2201, 2404, 2542, 2840, 2911, 3005, 4402, 4808, 5084, 5822, 6010, 6355, 8804, 10168, 11005, 11644, 12020, 12710, 14555, 17608, 18631, 22010, 23288, 24040, 24641, 25420, 29110, 37262, 42671, 44020, 49282, 50840, 58220, 74524, 85342, 88040, 90241, 93155, 98564, 116440, 123205, 149048, 170684, 180482, 186310, 197128, 213355, 246410, 341368, 360964, 372620, 426710, 451205, 492820, 721928, 745240, 763871, 853420, 902410, 985640, 1322801, 1527742, 1706840, 1749511, 1804820, 2645602, 3055484, 3499022, 3609640, 3819355, 5291204, 6110968, 6614005, 6998044, 7638710, 8747555, 10582408, 13228010, 13996088, 15277420, 17495110, 26456020, 30554840, 34990220, 52912040, 54234841, 69980440, 108469682, 216939364, 271174205, 433878728, 542348410, 1084696820, 2169393640]

約数ペア:

[(1, 2169393640), (2, 1084696820), (4, 542348410), (5, 433878728), (8, 271174205), (10, 216939364), (20, 108469682), (31, 69980440), (40, 54234841), (41, 52912040), (62, 34990220), (71, 30554840), (82, 26456020), (124, 17495110), (142, 15277420), (155, 13996088), (164, 13228010), (205, 10582408), (248, 8747555), (284, 7638710), (310, 6998044), (328, 6614005), (355, 6110968), (410, 5291204), (568, 3819355), (601, 3609640), (620, 3499022), (710, 3055484), (820, 2645602), (1202, 1804820), (1240, 1749511), (1271, 1706840), (1420, 1527742), (1640, 1322801), (2201, 985640), (2404, 902410), (2542, 853420), (2840, 763871), (2911, 745240), (3005, 721928), (4402, 492820), (4808, 451205), (5084, 426710), (5822, 372620), (6010, 360964), (6355, 341368), (8804, 246410), (10168, 213355), (11005, 197128), (11644, 186310), (12020, 180482), (12710, 170684), (14555, 149048), (17608, 123205), (18631, 116440), (22010, 98564), (23288, 93155), (24040, 90241), (24641, 88040), (25420, 85342), (29110, 74524), (37262, 58220), (42671, 50840), (44020, 49282)]