78419640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2957}}^1$

素因数の和:3001

約数の個数: 128

約数和(自身を含む): 268349760

約数和(自身を除く): 189930120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 2957, 3315, 4420, 5304, 5914, 6630, 8840, 8871, 11828, 13260, 14785, 17742, 23656, 26520, 29570, 35484, 38441, 44355, 50269, 59140, 70968, 76882, 88710, 100538, 115323, 118280, 150807, 153764, 177420, 192205, 201076, 230646, 251345, 301614, 307528, 354840, 384410, 402152, 461292, 502690, 576615, 603228, 653497, 754035, 768820, 922584, 1005380, 1153230, 1206456, 1306994, 1508070, 1537640, 1960491, 2010760, 2306460, 2613988, 3016140, 3267485, 3920982, 4612920, 5227976, 6032280, 6534970, 7841964, 9802455, 13069940, 15683928, 19604910, 26139880, 39209820, 78419640]

約数ペア:

[(1, 78419640), (2, 39209820), (3, 26139880), (4, 19604910), (5, 15683928), (6, 13069940), (8, 9802455), (10, 7841964), (12, 6534970), (13, 6032280), (15, 5227976), (17, 4612920), (20, 3920982), (24, 3267485), (26, 3016140), (30, 2613988), (34, 2306460), (39, 2010760), (40, 1960491), (51, 1537640), (52, 1508070), (60, 1306994), (65, 1206456), (68, 1153230), (78, 1005380), (85, 922584), (102, 768820), (104, 754035), (120, 653497), (130, 603228), (136, 576615), (156, 502690), (170, 461292), (195, 402152), (204, 384410), (221, 354840), (255, 307528), (260, 301614), (312, 251345), (340, 230646), (390, 201076), (408, 192205), (442, 177420), (510, 153764), (520, 150807), (663, 118280), (680, 115323), (780, 100538), (884, 88710), (1020, 76882), (1105, 70968), (1326, 59140), (1560, 50269), (1768, 44355), (2040, 38441), (2210, 35484), (2652, 29570), (2957, 26520), (3315, 23656), (4420, 17742), (5304, 14785), (5914, 13260), (6630, 11828), (8840, 8871)]