15956720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 40726560

約数和(自身を除く): 24769840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 229, 260, 268, 335, 458, 520, 536, 670, 871, 916, 1040, 1072, 1145, 1340, 1742, 1832, 2290, 2680, 2977, 3484, 3664, 4355, 4580, 5360, 5954, 6968, 8710, 9160, 11908, 13936, 14885, 15343, 17420, 18320, 23816, 29770, 30686, 34840, 47632, 59540, 61372, 69680, 76715, 119080, 122744, 153430, 199459, 238160, 245488, 306860, 398918, 613720, 797836, 997295, 1227440, 1595672, 1994590, 3191344, 3989180, 7978360, 15956720]

約数ペア:

[(1, 15956720), (2, 7978360), (4, 3989180), (5, 3191344), (8, 1994590), (10, 1595672), (13, 1227440), (16, 997295), (20, 797836), (26, 613720), (40, 398918), (52, 306860), (65, 245488), (67, 238160), (80, 199459), (104, 153430), (130, 122744), (134, 119080), (208, 76715), (229, 69680), (260, 61372), (268, 59540), (335, 47632), (458, 34840), (520, 30686), (536, 29770), (670, 23816), (871, 18320), (916, 17420), (1040, 15343), (1072, 14885), (1145, 13936), (1340, 11908), (1742, 9160), (1832, 8710), (2290, 6968), (2680, 5954), (2977, 5360), (3484, 4580), (3664, 4355)]