259395240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:931

約数の個数: 128

約数和(自身を含む): 842607360

約数和(自身を除く): 583212120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 257, 260, 312, 390, 514, 520, 647, 771, 780, 1028, 1285, 1294, 1542, 1560, 1941, 2056, 2570, 2588, 3084, 3235, 3341, 3855, 3882, 5140, 5176, 6168, 6470, 6682, 7710, 7764, 8411, 9705, 10023, 10280, 12940, 13364, 15420, 15528, 16705, 16822, 19410, 20046, 25233, 25880, 26728, 30840, 33410, 33644, 38820, 40092, 42055, 50115, 50466, 66820, 67288, 77640, 80184, 84110, 100230, 100932, 126165, 133640, 166279, 168220, 200460, 201864, 252330, 332558, 336440, 400920, 498837, 504660, 665116, 831395, 997674, 1009320, 1330232, 1662790, 1995348, 2161627, 2494185, 3325580, 3990696, 4323254, 4988370, 6484881, 6651160, 8646508, 9976740, 10808135, 12969762, 17293016, 19953480, 21616270, 25939524, 32424405, 43232540, 51879048, 64848810, 86465080, 129697620, 259395240]

約数ペア:

[(1, 259395240), (2, 129697620), (3, 86465080), (4, 64848810), (5, 51879048), (6, 43232540), (8, 32424405), (10, 25939524), (12, 21616270), (13, 19953480), (15, 17293016), (20, 12969762), (24, 10808135), (26, 9976740), (30, 8646508), (39, 6651160), (40, 6484881), (52, 4988370), (60, 4323254), (65, 3990696), (78, 3325580), (104, 2494185), (120, 2161627), (130, 1995348), (156, 1662790), (195, 1330232), (257, 1009320), (260, 997674), (312, 831395), (390, 665116), (514, 504660), (520, 498837), (647, 400920), (771, 336440), (780, 332558), (1028, 252330), (1285, 201864), (1294, 200460), (1542, 168220), (1560, 166279), (1941, 133640), (2056, 126165), (2570, 100932), (2588, 100230), (3084, 84110), (3235, 80184), (3341, 77640), (3855, 67288), (3882, 66820), (5140, 50466), (5176, 50115), (6168, 42055), (6470, 40092), (6682, 38820), (7710, 33644), (7764, 33410), (8411, 30840), (9705, 26728), (10023, 25880), (10280, 25233), (12940, 20046), (13364, 19410), (15420, 16822), (15528, 16705)]