281468460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51551}}^1$

素因数の和:51583

約数の個数: 96

約数和(自身を含む): 970002432

約数和(自身を除く): 688533972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 51551, 103102, 154653, 206204, 257755, 309306, 360857, 515510, 618612, 670163, 721714, 773265, 1031020, 1082571, 1340326, 1443428, 1546530, 1804285, 2010489, 2165142, 2680652, 3093060, 3350815, 3608570, 4020978, 4330284, 4691141, 5412855, 6701630, 7217140, 8041956, 9382282, 10052445, 10825710, 13403260, 14073423, 18764564, 20104890, 21651420, 23455705, 28146846, 40209780, 46911410, 56293692, 70367115, 93822820, 140734230, 281468460]

約数ペア:

[(1, 281468460), (2, 140734230), (3, 93822820), (4, 70367115), (5, 56293692), (6, 46911410), (7, 40209780), (10, 28146846), (12, 23455705), (13, 21651420), (14, 20104890), (15, 18764564), (20, 14073423), (21, 13403260), (26, 10825710), (28, 10052445), (30, 9382282), (35, 8041956), (39, 7217140), (42, 6701630), (52, 5412855), (60, 4691141), (65, 4330284), (70, 4020978), (78, 3608570), (84, 3350815), (91, 3093060), (105, 2680652), (130, 2165142), (140, 2010489), (156, 1804285), (182, 1546530), (195, 1443428), (210, 1340326), (260, 1082571), (273, 1031020), (364, 773265), (390, 721714), (420, 670163), (455, 618612), (546, 515510), (780, 360857), (910, 309306), (1092, 257755), (1365, 206204), (1820, 154653), (2730, 103102), (5460, 51551)]