323960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 907200

約数和(自身を除く): 583240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 89, 91, 104, 130, 140, 178, 182, 260, 280, 356, 364, 445, 455, 520, 623, 712, 728, 890, 910, 1157, 1246, 1780, 1820, 2314, 2492, 3115, 3560, 3640, 4628, 4984, 5785, 6230, 8099, 9256, 11570, 12460, 16198, 23140, 24920, 32396, 40495, 46280, 64792, 80990, 161980, 323960]

約数ペア:

[(1, 323960), (2, 161980), (4, 80990), (5, 64792), (7, 46280), (8, 40495), (10, 32396), (13, 24920), (14, 23140), (20, 16198), (26, 12460), (28, 11570), (35, 9256), (40, 8099), (52, 6230), (56, 5785), (65, 4984), (70, 4628), (89, 3640), (91, 3560), (104, 3115), (130, 2492), (140, 2314), (178, 1820), (182, 1780), (260, 1246), (280, 1157), (356, 910), (364, 890), (445, 728), (455, 712), (520, 623)]