401605740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{8233}}^1$

素因数の和:8519

約数の個数: 72

約数和(自身を含む): 1222847808

約数和(自身を除く): 821242068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1355, 1626, 2439, 2710, 3252, 4065, 4878, 5420, 8130, 8233, 9756, 12195, 16260, 16466, 24390, 24699, 32932, 41165, 48780, 49398, 74097, 82330, 98796, 123495, 148194, 164660, 246990, 296388, 370485, 493980, 740970, 1481940, 2231143, 4462286, 6693429, 8924572, 11155715, 13386858, 20080287, 22311430, 26773716, 33467145, 40160574, 44622860, 66934290, 80321148, 100401435, 133868580, 200802870, 401605740]

約数ペア:

[(1, 401605740), (2, 200802870), (3, 133868580), (4, 100401435), (5, 80321148), (6, 66934290), (9, 44622860), (10, 40160574), (12, 33467145), (15, 26773716), (18, 22311430), (20, 20080287), (30, 13386858), (36, 11155715), (45, 8924572), (60, 6693429), (90, 4462286), (180, 2231143), (271, 1481940), (542, 740970), (813, 493980), (1084, 370485), (1355, 296388), (1626, 246990), (2439, 164660), (2710, 148194), (3252, 123495), (4065, 98796), (4878, 82330), (5420, 74097), (8130, 49398), (8233, 48780), (9756, 41165), (12195, 32932), (16260, 24699), (16466, 24390)]