1900529520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{20357}}^1$

素因数の和:20762

約数の個数: 80

約数和(自身を含む): 5907077280

約数和(自身を除く): 4006547760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 389, 778, 1167, 1556, 1945, 2334, 3112, 3890, 4668, 5835, 6224, 7780, 9336, 11670, 15560, 18672, 20357, 23340, 31120, 40714, 46680, 61071, 81428, 93360, 101785, 122142, 162856, 203570, 244284, 305355, 325712, 407140, 488568, 610710, 814280, 977136, 1221420, 1628560, 2442840, 4885680, 7918873, 15837746, 23756619, 31675492, 39594365, 47513238, 63350984, 79188730, 95026476, 118783095, 126701968, 158377460, 190052952, 237566190, 316754920, 380105904, 475132380, 633509840, 950264760, 1900529520]

約数ペア:

[(1, 1900529520), (2, 950264760), (3, 633509840), (4, 475132380), (5, 380105904), (6, 316754920), (8, 237566190), (10, 190052952), (12, 158377460), (15, 126701968), (16, 118783095), (20, 95026476), (24, 79188730), (30, 63350984), (40, 47513238), (48, 39594365), (60, 31675492), (80, 23756619), (120, 15837746), (240, 7918873), (389, 4885680), (778, 2442840), (1167, 1628560), (1556, 1221420), (1945, 977136), (2334, 814280), (3112, 610710), (3890, 488568), (4668, 407140), (5835, 325712), (6224, 305355), (7780, 244284), (9336, 203570), (11670, 162856), (15560, 122142), (18672, 101785), (20357, 93360), (23340, 81428), (31120, 61071), (40714, 46680)]