71153460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 248976000

約数和(自身を除く): 177822540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 149, 180, 210, 252, 298, 315, 379, 420, 447, 596, 630, 745, 758, 894, 1043, 1137, 1260, 1341, 1490, 1516, 1788, 1895, 2086, 2235, 2274, 2653, 2682, 2980, 3129, 3411, 3790, 4172, 4470, 4548, 5215, 5306, 5364, 5685, 6258, 6705, 6822, 7580, 7959, 8940, 9387, 10430, 10612, 11370, 12516, 13265, 13410, 13644, 15645, 15918, 17055, 18774, 20860, 22740, 23877, 26530, 26820, 31290, 31836, 34110, 37548, 39795, 46935, 47754, 53060, 56471, 62580, 68220, 79590, 93870, 95508, 112942, 119385, 159180, 169413, 187740, 225884, 238770, 282355, 338826, 395297, 477540, 508239, 564710, 677652, 790594, 847065, 1016478, 1129420, 1185891, 1581188, 1694130, 1976485, 2032956, 2371782, 2541195, 3388260, 3557673, 3952970, 4743564, 5082390, 5929455, 7115346, 7905940, 10164780, 11858910, 14230692, 17788365, 23717820, 35576730, 71153460]

約数ペア:

[(1, 71153460), (2, 35576730), (3, 23717820), (4, 17788365), (5, 14230692), (6, 11858910), (7, 10164780), (9, 7905940), (10, 7115346), (12, 5929455), (14, 5082390), (15, 4743564), (18, 3952970), (20, 3557673), (21, 3388260), (28, 2541195), (30, 2371782), (35, 2032956), (36, 1976485), (42, 1694130), (45, 1581188), (60, 1185891), (63, 1129420), (70, 1016478), (84, 847065), (90, 790594), (105, 677652), (126, 564710), (140, 508239), (149, 477540), (180, 395297), (210, 338826), (252, 282355), (298, 238770), (315, 225884), (379, 187740), (420, 169413), (447, 159180), (596, 119385), (630, 112942), (745, 95508), (758, 93870), (894, 79590), (1043, 68220), (1137, 62580), (1260, 56471), (1341, 53060), (1490, 47754), (1516, 46935), (1788, 39795), (1895, 37548), (2086, 34110), (2235, 31836), (2274, 31290), (2653, 26820), (2682, 26530), (2980, 23877), (3129, 22740), (3411, 20860), (3790, 18774), (4172, 17055), (4470, 15918), (4548, 15645), (5215, 13644), (5306, 13410), (5364, 13265), (5685, 12516), (6258, 11370), (6705, 10612), (6822, 10430), (7580, 9387), (7959, 8940)]