15709630120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6438373}}^1$

素因数の和:6438445

約数の個数: 32

約数和(自身を含む): 35926126920

約数和(自身を除く): 20216496800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6438373, 12876746, 25753492, 32191865, 51506984, 64383730, 128767460, 257534920, 392740753, 785481506, 1570963012, 1963703765, 3141926024, 3927407530, 7854815060, 15709630120]

約数ペア:

[(1, 15709630120), (2, 7854815060), (4, 3927407530), (5, 3141926024), (8, 1963703765), (10, 1570963012), (20, 785481506), (40, 392740753), (61, 257534920), (122, 128767460), (244, 64383730), (305, 51506984), (488, 32191865), (610, 25753492), (1220, 12876746), (2440, 6438373)]