1292653960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{4447}}^1$

素因数の和:4527

約数の個数: 96

約数和(自身を含む): 3223376640

約数和(自身を除く): 1930722680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 169, 172, 215, 260, 338, 344, 430, 520, 559, 676, 845, 860, 1118, 1352, 1690, 1720, 2236, 2795, 3380, 4447, 4472, 5590, 6760, 7267, 8894, 11180, 14534, 17788, 22235, 22360, 29068, 35576, 36335, 44470, 57811, 58136, 72670, 88940, 115622, 145340, 177880, 191221, 231244, 289055, 290680, 382442, 462488, 578110, 751543, 764884, 956105, 1156220, 1503086, 1529768, 1912210, 2312440, 2485873, 3006172, 3757715, 3824420, 4971746, 6012344, 7515430, 7648840, 9943492, 12429365, 15030860, 19886984, 24858730, 30061720, 32316349, 49717460, 64632698, 99434920, 129265396, 161581745, 258530792, 323163490, 646326980, 1292653960]

約数ペア:

[(1, 1292653960), (2, 646326980), (4, 323163490), (5, 258530792), (8, 161581745), (10, 129265396), (13, 99434920), (20, 64632698), (26, 49717460), (40, 32316349), (43, 30061720), (52, 24858730), (65, 19886984), (86, 15030860), (104, 12429365), (130, 9943492), (169, 7648840), (172, 7515430), (215, 6012344), (260, 4971746), (338, 3824420), (344, 3757715), (430, 3006172), (520, 2485873), (559, 2312440), (676, 1912210), (845, 1529768), (860, 1503086), (1118, 1156220), (1352, 956105), (1690, 764884), (1720, 751543), (2236, 578110), (2795, 462488), (3380, 382442), (4447, 290680), (4472, 289055), (5590, 231244), (6760, 191221), (7267, 177880), (8894, 145340), (11180, 115622), (14534, 88940), (17788, 72670), (22235, 58136), (22360, 57811), (29068, 44470), (35576, 36335)]