321345960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205991}}^1$

素因数の和:206018

約数の個数: 64

約数和(自身を含む): 1038199680

約数和(自身を除く): 716853720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 205991, 411982, 617973, 823964, 1029955, 1235946, 1647928, 2059910, 2471892, 2677883, 3089865, 4119820, 4943784, 5355766, 6179730, 8033649, 8239640, 10711532, 12359460, 13389415, 16067298, 21423064, 24718920, 26778830, 32134596, 40168245, 53557660, 64269192, 80336490, 107115320, 160672980, 321345960]

約数ペア:

[(1, 321345960), (2, 160672980), (3, 107115320), (4, 80336490), (5, 64269192), (6, 53557660), (8, 40168245), (10, 32134596), (12, 26778830), (13, 24718920), (15, 21423064), (20, 16067298), (24, 13389415), (26, 12359460), (30, 10711532), (39, 8239640), (40, 8033649), (52, 6179730), (60, 5355766), (65, 4943784), (78, 4119820), (104, 3089865), (120, 2677883), (130, 2471892), (156, 2059910), (195, 1647928), (260, 1235946), (312, 1029955), (390, 823964), (520, 617973), (780, 411982), (1560, 205991)]