1681706040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1361}}^1\times {\mathrm{1471}}^1$

素因数の和:2853

約数の個数: 128

約数和(自身を含む): 5774008320

約数和(自身を除く): 4092302280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1361, 1471, 2722, 2942, 4083, 4413, 5444, 5884, 6805, 7355, 8166, 8826, 9527, 10297, 10888, 11768, 13610, 14710, 16332, 17652, 19054, 20415, 20594, 22065, 27220, 28581, 29420, 30891, 32664, 35304, 38108, 40830, 41188, 44130, 47635, 51485, 54440, 57162, 58840, 61782, 76216, 81660, 82376, 88260, 95270, 102970, 114324, 123564, 142905, 154455, 163320, 176520, 190540, 205940, 228648, 247128, 285810, 308910, 381080, 411880, 571620, 617820, 1143240, 1235640, 2002031, 4004062, 6006093, 8008124, 10010155, 12012186, 14014217, 16016248, 20020310, 24024372, 28028434, 30030465, 40040620, 42042651, 48048744, 56056868, 60060930, 70071085, 80081240, 84085302, 112113736, 120121860, 140142170, 168170604, 210213255, 240243720, 280284340, 336341208, 420426510, 560568680, 840853020, 1681706040]

約数ペア:

[(1, 1681706040), (2, 840853020), (3, 560568680), (4, 420426510), (5, 336341208), (6, 280284340), (7, 240243720), (8, 210213255), (10, 168170604), (12, 140142170), (14, 120121860), (15, 112113736), (20, 84085302), (21, 80081240), (24, 70071085), (28, 60060930), (30, 56056868), (35, 48048744), (40, 42042651), (42, 40040620), (56, 30030465), (60, 28028434), (70, 24024372), (84, 20020310), (105, 16016248), (120, 14014217), (140, 12012186), (168, 10010155), (210, 8008124), (280, 6006093), (420, 4004062), (840, 2002031), (1361, 1235640), (1471, 1143240), (2722, 617820), (2942, 571620), (4083, 411880), (4413, 381080), (5444, 308910), (5884, 285810), (6805, 247128), (7355, 228648), (8166, 205940), (8826, 190540), (9527, 176520), (10297, 163320), (10888, 154455), (11768, 142905), (13610, 123564), (14710, 114324), (16332, 102970), (17652, 95270), (19054, 88260), (20415, 82376), (20594, 81660), (22065, 76216), (27220, 61782), (28581, 58840), (29420, 57162), (30891, 54440), (32664, 51485), (35304, 47635), (38108, 44130), (40830, 41188)]