221643240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20297}}^1$

素因数の和:20331

約数の個数: 128

約数和(自身を含む): 818415360

約数和(自身を除く): 596772120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 20297, 40594, 60891, 81188, 101485, 121782, 142079, 162376, 202970, 243564, 263861, 284158, 304455, 405940, 426237, 487128, 527722, 568316, 608910, 710395, 791583, 811880, 852474, 1055444, 1136632, 1217820, 1319305, 1420790, 1583166, 1704948, 1847027, 2110888, 2131185, 2435640, 2638610, 2841580, 3166332, 3409896, 3694054, 3957915, 4262370, 5277220, 5541081, 5683160, 6332664, 7388108, 7915830, 8524740, 9235135, 10554440, 11082162, 14776216, 15831660, 17049480, 18470270, 22164324, 27705405, 31663320, 36940540, 44328648, 55410810, 73881080, 110821620, 221643240]

約数ペア:

[(1, 221643240), (2, 110821620), (3, 73881080), (4, 55410810), (5, 44328648), (6, 36940540), (7, 31663320), (8, 27705405), (10, 22164324), (12, 18470270), (13, 17049480), (14, 15831660), (15, 14776216), (20, 11082162), (21, 10554440), (24, 9235135), (26, 8524740), (28, 7915830), (30, 7388108), (35, 6332664), (39, 5683160), (40, 5541081), (42, 5277220), (52, 4262370), (56, 3957915), (60, 3694054), (65, 3409896), (70, 3166332), (78, 2841580), (84, 2638610), (91, 2435640), (104, 2131185), (105, 2110888), (120, 1847027), (130, 1704948), (140, 1583166), (156, 1420790), (168, 1319305), (182, 1217820), (195, 1136632), (210, 1055444), (260, 852474), (273, 811880), (280, 791583), (312, 710395), (364, 608910), (390, 568316), (420, 527722), (455, 487128), (520, 426237), (546, 405940), (728, 304455), (780, 284158), (840, 263861), (910, 243564), (1092, 202970), (1365, 162376), (1560, 142079), (1820, 121782), (2184, 101485), (2730, 81188), (3640, 60891), (5460, 40594), (10920, 20297)]