67921620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 215480832

約数和(自身を除く): 147559212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 53, 60, 62, 65, 78, 93, 106, 124, 130, 155, 156, 159, 186, 195, 212, 260, 265, 310, 318, 372, 390, 403, 465, 530, 620, 636, 689, 780, 795, 806, 930, 1060, 1209, 1378, 1590, 1612, 1643, 1860, 2015, 2067, 2418, 2756, 2809, 3180, 3286, 3445, 4030, 4134, 4836, 4929, 5618, 6045, 6572, 6890, 8060, 8215, 8268, 8427, 9858, 10335, 11236, 12090, 13780, 14045, 16430, 16854, 19716, 20670, 21359, 24180, 24645, 28090, 32860, 33708, 36517, 41340, 42135, 42718, 49290, 56180, 64077, 73034, 84270, 85436, 87079, 98580, 106795, 109551, 128154, 146068, 168540, 174158, 182585, 213590, 219102, 256308, 261237, 320385, 348316, 365170, 427180, 435395, 438204, 522474, 547755, 640770, 730340, 870790, 1044948, 1095510, 1132027, 1281540, 1306185, 1741580, 2191020, 2264054, 2612370, 3396081, 4528108, 5224740, 5660135, 6792162, 11320270, 13584324, 16980405, 22640540, 33960810, 67921620]

約数ペア:

[(1, 67921620), (2, 33960810), (3, 22640540), (4, 16980405), (5, 13584324), (6, 11320270), (10, 6792162), (12, 5660135), (13, 5224740), (15, 4528108), (20, 3396081), (26, 2612370), (30, 2264054), (31, 2191020), (39, 1741580), (52, 1306185), (53, 1281540), (60, 1132027), (62, 1095510), (65, 1044948), (78, 870790), (93, 730340), (106, 640770), (124, 547755), (130, 522474), (155, 438204), (156, 435395), (159, 427180), (186, 365170), (195, 348316), (212, 320385), (260, 261237), (265, 256308), (310, 219102), (318, 213590), (372, 182585), (390, 174158), (403, 168540), (465, 146068), (530, 128154), (620, 109551), (636, 106795), (689, 98580), (780, 87079), (795, 85436), (806, 84270), (930, 73034), (1060, 64077), (1209, 56180), (1378, 49290), (1590, 42718), (1612, 42135), (1643, 41340), (1860, 36517), (2015, 33708), (2067, 32860), (2418, 28090), (2756, 24645), (2809, 24180), (3180, 21359), (3286, 20670), (3445, 19716), (4030, 16854), (4134, 16430), (4836, 14045), (4929, 13780), (5618, 12090), (6045, 11236), (6572, 10335), (6890, 9858), (8060, 8427), (8215, 8268)]