260288730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 144

約数和(自身を含む): 744246360

約数和(自身を除く): 483957630

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 109, 117, 130, 157, 169, 195, 218, 234, 314, 327, 338, 390, 471, 507, 545, 585, 654, 785, 845, 942, 981, 1014, 1090, 1170, 1413, 1417, 1521, 1570, 1635, 1690, 1962, 2041, 2355, 2535, 2826, 2834, 3042, 3270, 4082, 4251, 4710, 4905, 5070, 6123, 7065, 7085, 7605, 8502, 9810, 10205, 12246, 12753, 14130, 14170, 15210, 17113, 18369, 18421, 20410, 21255, 25506, 26533, 30615, 34226, 36738, 36842, 42510, 51339, 53066, 55263, 61230, 63765, 79599, 85565, 91845, 92105, 102678, 110526, 127530, 132665, 154017, 159198, 165789, 171130, 183690, 184210, 222469, 238797, 256695, 265330, 276315, 308034, 331578, 397995, 444938, 477594, 513390, 552630, 667407, 770085, 795990, 828945, 1112345, 1193985, 1334814, 1540170, 1657890, 2002221, 2224690, 2387970, 2892097, 3337035, 4004442, 5784194, 6674070, 8676291, 10011105, 14460485, 17352582, 20022210, 26028873, 28920970, 43381455, 52057746, 86762910, 130144365, 260288730]

約数ペア:

[(1, 260288730), (2, 130144365), (3, 86762910), (5, 52057746), (6, 43381455), (9, 28920970), (10, 26028873), (13, 20022210), (15, 17352582), (18, 14460485), (26, 10011105), (30, 8676291), (39, 6674070), (45, 5784194), (65, 4004442), (78, 3337035), (90, 2892097), (109, 2387970), (117, 2224690), (130, 2002221), (157, 1657890), (169, 1540170), (195, 1334814), (218, 1193985), (234, 1112345), (314, 828945), (327, 795990), (338, 770085), (390, 667407), (471, 552630), (507, 513390), (545, 477594), (585, 444938), (654, 397995), (785, 331578), (845, 308034), (942, 276315), (981, 265330), (1014, 256695), (1090, 238797), (1170, 222469), (1413, 184210), (1417, 183690), (1521, 171130), (1570, 165789), (1635, 159198), (1690, 154017), (1962, 132665), (2041, 127530), (2355, 110526), (2535, 102678), (2826, 92105), (2834, 91845), (3042, 85565), (3270, 79599), (4082, 63765), (4251, 61230), (4710, 55263), (4905, 53066), (5070, 51339), (6123, 42510), (7065, 36842), (7085, 36738), (7605, 34226), (8502, 30615), (9810, 26533), (10205, 25506), (12246, 21255), (12753, 20410), (14130, 18421), (14170, 18369), (15210, 17113)]