64964520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{997}}^1$

素因数の和:1195

約数の個数: 96

約数和(自身を含む): 212514120

約数和(自身を除く): 147549600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 181, 360, 362, 543, 724, 905, 997, 1086, 1448, 1629, 1810, 1994, 2172, 2715, 2991, 3258, 3620, 3988, 4344, 4985, 5430, 5982, 6516, 7240, 7976, 8145, 8973, 9970, 10860, 11964, 13032, 14955, 16290, 17946, 19940, 21720, 23928, 29910, 32580, 35892, 39880, 44865, 59820, 65160, 71784, 89730, 119640, 179460, 180457, 358920, 360914, 541371, 721828, 902285, 1082742, 1443656, 1624113, 1804570, 2165484, 2706855, 3248226, 3609140, 4330968, 5413710, 6496452, 7218280, 8120565, 10827420, 12992904, 16241130, 21654840, 32482260, 64964520]

約数ペア:

[(1, 64964520), (2, 32482260), (3, 21654840), (4, 16241130), (5, 12992904), (6, 10827420), (8, 8120565), (9, 7218280), (10, 6496452), (12, 5413710), (15, 4330968), (18, 3609140), (20, 3248226), (24, 2706855), (30, 2165484), (36, 1804570), (40, 1624113), (45, 1443656), (60, 1082742), (72, 902285), (90, 721828), (120, 541371), (180, 360914), (181, 358920), (360, 180457), (362, 179460), (543, 119640), (724, 89730), (905, 71784), (997, 65160), (1086, 59820), (1448, 44865), (1629, 39880), (1810, 35892), (1994, 32580), (2172, 29910), (2715, 23928), (2991, 21720), (3258, 19940), (3620, 17946), (3988, 16290), (4344, 14955), (4985, 13032), (5430, 11964), (5982, 10860), (6516, 9970), (7240, 8973), (7976, 8145)]