265238480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:509

約数の個数: 160

約数和(自身を含む): 723287040

約数和(自身を除く): 458048560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 190, 208, 247, 248, 260, 304, 310, 380, 403, 433, 494, 496, 520, 589, 620, 760, 806, 866, 988, 1040, 1178, 1235, 1240, 1520, 1612, 1732, 1976, 2015, 2165, 2356, 2470, 2480, 2945, 3224, 3464, 3952, 4030, 4330, 4712, 4940, 5629, 5890, 6448, 6928, 7657, 8060, 8227, 8660, 9424, 9880, 11258, 11780, 13423, 15314, 16120, 16454, 17320, 19760, 22516, 23560, 26846, 28145, 30628, 32240, 32908, 34640, 38285, 41135, 45032, 47120, 53692, 56290, 61256, 65816, 67115, 76570, 82270, 90064, 106951, 107384, 112580, 122512, 131632, 134230, 153140, 164540, 174499, 213902, 214768, 225160, 255037, 268460, 306280, 329080, 348998, 427804, 450320, 510074, 534755, 536920, 612560, 658160, 697996, 855608, 872495, 1020148, 1069510, 1073840, 1275185, 1395992, 1711216, 1744990, 2040296, 2139020, 2550370, 2791984, 3315481, 3489980, 4080592, 4278040, 5100740, 6630962, 6979960, 8556080, 10201480, 13261924, 13959920, 16577405, 20402960, 26523848, 33154810, 53047696, 66309620, 132619240, 265238480]

約数ペア:

[(1, 265238480), (2, 132619240), (4, 66309620), (5, 53047696), (8, 33154810), (10, 26523848), (13, 20402960), (16, 16577405), (19, 13959920), (20, 13261924), (26, 10201480), (31, 8556080), (38, 6979960), (40, 6630962), (52, 5100740), (62, 4278040), (65, 4080592), (76, 3489980), (80, 3315481), (95, 2791984), (104, 2550370), (124, 2139020), (130, 2040296), (152, 1744990), (155, 1711216), (190, 1395992), (208, 1275185), (247, 1073840), (248, 1069510), (260, 1020148), (304, 872495), (310, 855608), (380, 697996), (403, 658160), (433, 612560), (494, 536920), (496, 534755), (520, 510074), (589, 450320), (620, 427804), (760, 348998), (806, 329080), (866, 306280), (988, 268460), (1040, 255037), (1178, 225160), (1235, 214768), (1240, 213902), (1520, 174499), (1612, 164540), (1732, 153140), (1976, 134230), (2015, 131632), (2165, 122512), (2356, 112580), (2470, 107384), (2480, 106951), (2945, 90064), (3224, 82270), (3464, 76570), (3952, 67115), (4030, 65816), (4330, 61256), (4712, 56290), (4940, 53692), (5629, 47120), (5890, 45032), (6448, 41135), (6928, 38285), (7657, 34640), (8060, 32908), (8227, 32240), (8660, 30628), (9424, 28145), (9880, 26846), (11258, 23560), (11780, 22516), (13423, 19760), (15314, 17320), (16120, 16454)]