155530720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31357}}^1$

素因数の和:31403

約数の個数: 48

約数和(自身を含む): 379306368

約数和(自身を除く): 223775648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 31357, 62714, 125428, 156785, 250856, 313570, 501712, 627140, 972067, 1003424, 1254280, 1944134, 2508560, 3888268, 4860335, 5017120, 7776536, 9720670, 15553072, 19441340, 31106144, 38882680, 77765360, 155530720]

約数ペア:

[(1, 155530720), (2, 77765360), (4, 38882680), (5, 31106144), (8, 19441340), (10, 15553072), (16, 9720670), (20, 7776536), (31, 5017120), (32, 4860335), (40, 3888268), (62, 2508560), (80, 1944134), (124, 1254280), (155, 1003424), (160, 972067), (248, 627140), (310, 501712), (496, 313570), (620, 250856), (992, 156785), (1240, 125428), (2480, 62714), (4960, 31357)]