1821983880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{31177}}^1$

素因数の和:31678

約数の個数: 64

約数和(自身を含む): 5477351040

約数和(自身を除く): 3655367160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 487, 974, 1461, 1948, 2435, 2922, 3896, 4870, 5844, 7305, 9740, 11688, 14610, 19480, 29220, 31177, 58440, 62354, 93531, 124708, 155885, 187062, 249416, 311770, 374124, 467655, 623540, 748248, 935310, 1247080, 1870620, 3741240, 15183199, 30366398, 45549597, 60732796, 75915995, 91099194, 121465592, 151831990, 182198388, 227747985, 303663980, 364396776, 455495970, 607327960, 910991940, 1821983880]

約数ペア:

[(1, 1821983880), (2, 910991940), (3, 607327960), (4, 455495970), (5, 364396776), (6, 303663980), (8, 227747985), (10, 182198388), (12, 151831990), (15, 121465592), (20, 91099194), (24, 75915995), (30, 60732796), (40, 45549597), (60, 30366398), (120, 15183199), (487, 3741240), (974, 1870620), (1461, 1247080), (1948, 935310), (2435, 748248), (2922, 623540), (3896, 467655), (4870, 374124), (5844, 311770), (7305, 249416), (9740, 187062), (11688, 155885), (14610, 124708), (19480, 93531), (29220, 62354), (31177, 58440)]