63826880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:326

約数の個数: 112

約数和(自身を含む): 166847520

約数和(自身を除く): 103020640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 80, 104, 130, 134, 160, 208, 229, 260, 268, 320, 335, 416, 458, 520, 536, 670, 832, 871, 916, 1040, 1072, 1145, 1340, 1742, 1832, 2080, 2144, 2290, 2680, 2977, 3484, 3664, 4160, 4288, 4355, 4580, 5360, 5954, 6968, 7328, 8710, 9160, 10720, 11908, 13936, 14656, 14885, 15343, 17420, 18320, 21440, 23816, 27872, 29770, 30686, 34840, 36640, 47632, 55744, 59540, 61372, 69680, 73280, 76715, 95264, 119080, 122744, 139360, 153430, 190528, 199459, 238160, 245488, 278720, 306860, 398918, 476320, 490976, 613720, 797836, 952640, 981952, 997295, 1227440, 1595672, 1994590, 2454880, 3191344, 3989180, 4909760, 6382688, 7978360, 12765376, 15956720, 31913440, 63826880]

約数ペア:

[(1, 63826880), (2, 31913440), (4, 15956720), (5, 12765376), (8, 7978360), (10, 6382688), (13, 4909760), (16, 3989180), (20, 3191344), (26, 2454880), (32, 1994590), (40, 1595672), (52, 1227440), (64, 997295), (65, 981952), (67, 952640), (80, 797836), (104, 613720), (130, 490976), (134, 476320), (160, 398918), (208, 306860), (229, 278720), (260, 245488), (268, 238160), (320, 199459), (335, 190528), (416, 153430), (458, 139360), (520, 122744), (536, 119080), (670, 95264), (832, 76715), (871, 73280), (916, 69680), (1040, 61372), (1072, 59540), (1145, 55744), (1340, 47632), (1742, 36640), (1832, 34840), (2080, 30686), (2144, 29770), (2290, 27872), (2680, 23816), (2977, 21440), (3484, 18320), (3664, 17420), (4160, 15343), (4288, 14885), (4355, 14656), (4580, 13936), (5360, 11908), (5954, 10720), (6968, 9160), (7328, 8710)]