255953360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:541

約数の個数: 160

約数和(自身を含む): 701955072

約数和(自身を除く): 446001712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 80, 85, 104, 124, 130, 136, 155, 170, 208, 221, 248, 260, 272, 310, 340, 403, 442, 467, 496, 520, 527, 620, 680, 806, 884, 934, 1040, 1054, 1105, 1240, 1360, 1612, 1768, 1868, 2015, 2108, 2210, 2335, 2480, 2635, 3224, 3536, 3736, 4030, 4216, 4420, 4670, 5270, 6071, 6448, 6851, 7472, 7939, 8060, 8432, 8840, 9340, 10540, 12142, 13702, 14477, 15878, 16120, 17680, 18680, 21080, 24284, 27404, 28954, 30355, 31756, 32240, 34255, 37360, 39695, 42160, 48568, 54808, 57908, 60710, 63512, 68510, 72385, 79390, 97136, 103207, 109616, 115816, 121420, 127024, 137020, 144770, 158780, 188201, 206414, 231632, 242840, 246109, 274040, 289540, 317560, 376402, 412828, 485680, 492218, 516035, 548080, 579080, 635120, 752804, 825656, 941005, 984436, 1032070, 1158160, 1230545, 1505608, 1651312, 1882010, 1968872, 2064140, 2461090, 3011216, 3199417, 3764020, 3937744, 4128280, 4922180, 6398834, 7528040, 8256560, 9844360, 12797668, 15056080, 15997085, 19688720, 25595336, 31994170, 51190672, 63988340, 127976680, 255953360]

約数ペア:

[(1, 255953360), (2, 127976680), (4, 63988340), (5, 51190672), (8, 31994170), (10, 25595336), (13, 19688720), (16, 15997085), (17, 15056080), (20, 12797668), (26, 9844360), (31, 8256560), (34, 7528040), (40, 6398834), (52, 4922180), (62, 4128280), (65, 3937744), (68, 3764020), (80, 3199417), (85, 3011216), (104, 2461090), (124, 2064140), (130, 1968872), (136, 1882010), (155, 1651312), (170, 1505608), (208, 1230545), (221, 1158160), (248, 1032070), (260, 984436), (272, 941005), (310, 825656), (340, 752804), (403, 635120), (442, 579080), (467, 548080), (496, 516035), (520, 492218), (527, 485680), (620, 412828), (680, 376402), (806, 317560), (884, 289540), (934, 274040), (1040, 246109), (1054, 242840), (1105, 231632), (1240, 206414), (1360, 188201), (1612, 158780), (1768, 144770), (1868, 137020), (2015, 127024), (2108, 121420), (2210, 115816), (2335, 109616), (2480, 103207), (2635, 97136), (3224, 79390), (3536, 72385), (3736, 68510), (4030, 63512), (4216, 60710), (4420, 57908), (4670, 54808), (5270, 48568), (6071, 42160), (6448, 39695), (6851, 37360), (7472, 34255), (7939, 32240), (8060, 31756), (8432, 30355), (8840, 28954), (9340, 27404), (10540, 24284), (12142, 21080), (13702, 18680), (14477, 17680), (15878, 16120)]