30163640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 79833600

約数和(自身を除く): 49669960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 43, 52, 65, 71, 76, 86, 95, 104, 130, 142, 152, 172, 190, 215, 247, 260, 284, 344, 355, 380, 430, 494, 520, 559, 568, 710, 760, 817, 860, 923, 988, 1118, 1235, 1349, 1420, 1634, 1720, 1846, 1976, 2236, 2470, 2698, 2795, 2840, 3053, 3268, 3692, 4085, 4472, 4615, 4940, 5396, 5590, 6106, 6536, 6745, 7384, 8170, 9230, 9880, 10621, 10792, 11180, 12212, 13490, 15265, 16340, 17537, 18460, 21242, 22360, 24424, 26980, 30530, 32680, 35074, 36920, 39689, 42484, 53105, 53960, 58007, 61060, 70148, 79378, 84968, 87685, 106210, 116014, 122120, 140296, 158756, 175370, 198445, 212420, 232028, 290035, 317512, 350740, 396890, 424840, 464056, 580070, 701480, 754091, 793780, 1160140, 1508182, 1587560, 2320280, 3016364, 3770455, 6032728, 7540910, 15081820, 30163640]

約数ペア:

[(1, 30163640), (2, 15081820), (4, 7540910), (5, 6032728), (8, 3770455), (10, 3016364), (13, 2320280), (19, 1587560), (20, 1508182), (26, 1160140), (38, 793780), (40, 754091), (43, 701480), (52, 580070), (65, 464056), (71, 424840), (76, 396890), (86, 350740), (95, 317512), (104, 290035), (130, 232028), (142, 212420), (152, 198445), (172, 175370), (190, 158756), (215, 140296), (247, 122120), (260, 116014), (284, 106210), (344, 87685), (355, 84968), (380, 79378), (430, 70148), (494, 61060), (520, 58007), (559, 53960), (568, 53105), (710, 42484), (760, 39689), (817, 36920), (860, 35074), (923, 32680), (988, 30530), (1118, 26980), (1235, 24424), (1349, 22360), (1420, 21242), (1634, 18460), (1720, 17537), (1846, 16340), (1976, 15265), (2236, 13490), (2470, 12212), (2698, 11180), (2795, 10792), (2840, 10621), (3053, 9880), (3268, 9230), (3692, 8170), (4085, 7384), (4472, 6745), (4615, 6536), (4940, 6106), (5396, 5590)]