28907460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3917}}^1$

素因数の和:3973

約数の個数: 72

約数和(自身を含む): 89847576

約数和(自身を除く): 60940116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 3917, 7380, 7834, 11751, 15668, 19585, 23502, 35253, 39170, 47004, 58755, 70506, 78340, 117510, 141012, 160597, 176265, 235020, 321194, 352530, 481791, 642388, 705060, 802985, 963582, 1445373, 1605970, 1927164, 2408955, 2890746, 3211940, 4817910, 5781492, 7226865, 9635820, 14453730, 28907460]

約数ペア:

[(1, 28907460), (2, 14453730), (3, 9635820), (4, 7226865), (5, 5781492), (6, 4817910), (9, 3211940), (10, 2890746), (12, 2408955), (15, 1927164), (18, 1605970), (20, 1445373), (30, 963582), (36, 802985), (41, 705060), (45, 642388), (60, 481791), (82, 352530), (90, 321194), (123, 235020), (164, 176265), (180, 160597), (205, 141012), (246, 117510), (369, 78340), (410, 70506), (492, 58755), (615, 47004), (738, 39170), (820, 35253), (1230, 23502), (1476, 19585), (1845, 15668), (2460, 11751), (3690, 7834), (3917, 7380)]