280829640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25717}}^1$

素因数の和:25751

約数の個数: 128

約数和(自身を含む): 1036949760

約数和(自身を除く): 756120120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 25717, 51434, 77151, 102868, 128585, 154302, 180019, 205736, 257170, 308604, 334321, 360038, 385755, 514340, 540057, 617208, 668642, 720076, 771510, 900095, 1002963, 1028680, 1080114, 1337284, 1440152, 1543020, 1671605, 1800190, 2005926, 2160228, 2340247, 2674568, 2700285, 3086040, 3343210, 3600380, 4011852, 4320456, 4680494, 5014815, 5400570, 6686420, 7020741, 7200760, 8023704, 9360988, 10029630, 10801140, 11701235, 13372840, 14041482, 18721976, 20059260, 21602280, 23402470, 28082964, 35103705, 40118520, 46804940, 56165928, 70207410, 93609880, 140414820, 280829640]

約数ペア:

[(1, 280829640), (2, 140414820), (3, 93609880), (4, 70207410), (5, 56165928), (6, 46804940), (7, 40118520), (8, 35103705), (10, 28082964), (12, 23402470), (13, 21602280), (14, 20059260), (15, 18721976), (20, 14041482), (21, 13372840), (24, 11701235), (26, 10801140), (28, 10029630), (30, 9360988), (35, 8023704), (39, 7200760), (40, 7020741), (42, 6686420), (52, 5400570), (56, 5014815), (60, 4680494), (65, 4320456), (70, 4011852), (78, 3600380), (84, 3343210), (91, 3086040), (104, 2700285), (105, 2674568), (120, 2340247), (130, 2160228), (140, 2005926), (156, 1800190), (168, 1671605), (182, 1543020), (195, 1440152), (210, 1337284), (260, 1080114), (273, 1028680), (280, 1002963), (312, 900095), (364, 771510), (390, 720076), (420, 668642), (455, 617208), (520, 540057), (546, 514340), (728, 385755), (780, 360038), (840, 334321), (910, 308604), (1092, 257170), (1365, 205736), (1560, 180019), (1820, 154302), (2184, 128585), (2730, 102868), (3640, 77151), (5460, 51434), (10920, 25717)]