1281540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 4064256

約数和(自身を除く): 2782716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 53, 60, 62, 65, 78, 93, 106, 124, 130, 155, 156, 159, 186, 195, 212, 260, 265, 310, 318, 372, 390, 403, 465, 530, 620, 636, 689, 780, 795, 806, 930, 1060, 1209, 1378, 1590, 1612, 1643, 1860, 2015, 2067, 2418, 2756, 3180, 3286, 3445, 4030, 4134, 4836, 4929, 6045, 6572, 6890, 8060, 8215, 8268, 9858, 10335, 12090, 13780, 16430, 19716, 20670, 21359, 24180, 24645, 32860, 41340, 42718, 49290, 64077, 85436, 98580, 106795, 128154, 213590, 256308, 320385, 427180, 640770, 1281540]

約数ペア:

[(1, 1281540), (2, 640770), (3, 427180), (4, 320385), (5, 256308), (6, 213590), (10, 128154), (12, 106795), (13, 98580), (15, 85436), (20, 64077), (26, 49290), (30, 42718), (31, 41340), (39, 32860), (52, 24645), (53, 24180), (60, 21359), (62, 20670), (65, 19716), (78, 16430), (93, 13780), (106, 12090), (124, 10335), (130, 9858), (155, 8268), (156, 8215), (159, 8060), (186, 6890), (195, 6572), (212, 6045), (260, 4929), (265, 4836), (310, 4134), (318, 4030), (372, 3445), (390, 3286), (403, 3180), (465, 2756), (530, 2418), (620, 2067), (636, 2015), (689, 1860), (780, 1643), (795, 1612), (806, 1590), (930, 1378), (1060, 1209)]