123807840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19841}}^1$

素因数の和:19872

約数の個数: 96

約数和(自身を含む): 420015456

約数和(自身を除く): 296207616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 19841, 39682, 59523, 79364, 99205, 119046, 158728, 198410, 238092, 257933, 297615, 317456, 396820, 476184, 515866, 595230, 634912, 773799, 793640, 952368, 1031732, 1190460, 1289665, 1547598, 1587280, 1904736, 2063464, 2380920, 2579330, 3095196, 3174560, 3868995, 4126928, 4761840, 5158660, 6190392, 7737990, 8253856, 9523680, 10317320, 12380784, 15475980, 20634640, 24761568, 30951960, 41269280, 61903920, 123807840]

約数ペア:

[(1, 123807840), (2, 61903920), (3, 41269280), (4, 30951960), (5, 24761568), (6, 20634640), (8, 15475980), (10, 12380784), (12, 10317320), (13, 9523680), (15, 8253856), (16, 7737990), (20, 6190392), (24, 5158660), (26, 4761840), (30, 4126928), (32, 3868995), (39, 3174560), (40, 3095196), (48, 2579330), (52, 2380920), (60, 2063464), (65, 1904736), (78, 1587280), (80, 1547598), (96, 1289665), (104, 1190460), (120, 1031732), (130, 952368), (156, 793640), (160, 773799), (195, 634912), (208, 595230), (240, 515866), (260, 476184), (312, 396820), (390, 317456), (416, 297615), (480, 257933), (520, 238092), (624, 198410), (780, 158728), (1040, 119046), (1248, 99205), (1560, 79364), (2080, 59523), (3120, 39682), (6240, 19841)]