71303700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 227485440

約数和(自身を除く): 156181740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 47, 50, 52, 60, 65, 75, 78, 94, 100, 130, 141, 150, 156, 188, 195, 235, 260, 282, 300, 325, 389, 390, 470, 564, 611, 650, 705, 778, 780, 940, 975, 1167, 1175, 1222, 1300, 1410, 1556, 1833, 1945, 1950, 2334, 2350, 2444, 2820, 3055, 3525, 3666, 3890, 3900, 4668, 4700, 5057, 5835, 6110, 7050, 7332, 7780, 9165, 9725, 10114, 11670, 12220, 14100, 15171, 15275, 18283, 18330, 19450, 20228, 23340, 25285, 29175, 30342, 30550, 36566, 36660, 38900, 45825, 50570, 54849, 58350, 60684, 61100, 73132, 75855, 91415, 91650, 101140, 109698, 116700, 126425, 151710, 182830, 183300, 219396, 237679, 252850, 274245, 303420, 365660, 379275, 457075, 475358, 505700, 548490, 713037, 758550, 914150, 950716, 1096980, 1188395, 1371225, 1426074, 1517100, 1828300, 2376790, 2742450, 2852148, 3565185, 4753580, 5484900, 5941975, 7130370, 11883950, 14260740, 17825925, 23767900, 35651850, 71303700]

約数ペア:

[(1, 71303700), (2, 35651850), (3, 23767900), (4, 17825925), (5, 14260740), (6, 11883950), (10, 7130370), (12, 5941975), (13, 5484900), (15, 4753580), (20, 3565185), (25, 2852148), (26, 2742450), (30, 2376790), (39, 1828300), (47, 1517100), (50, 1426074), (52, 1371225), (60, 1188395), (65, 1096980), (75, 950716), (78, 914150), (94, 758550), (100, 713037), (130, 548490), (141, 505700), (150, 475358), (156, 457075), (188, 379275), (195, 365660), (235, 303420), (260, 274245), (282, 252850), (300, 237679), (325, 219396), (389, 183300), (390, 182830), (470, 151710), (564, 126425), (611, 116700), (650, 109698), (705, 101140), (778, 91650), (780, 91415), (940, 75855), (975, 73132), (1167, 61100), (1175, 60684), (1222, 58350), (1300, 54849), (1410, 50570), (1556, 45825), (1833, 38900), (1945, 36660), (1950, 36566), (2334, 30550), (2350, 30342), (2444, 29175), (2820, 25285), (3055, 23340), (3525, 20228), (3666, 19450), (3890, 18330), (3900, 18283), (4668, 15275), (4700, 15171), (5057, 14100), (5835, 12220), (6110, 11670), (7050, 10114), (7332, 9725), (7780, 9165)]