211307160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1409

約数の個数: 128

約数和(自身を含む): 670095360

約数和(自身を除く): 458788200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 172, 186, 215, 248, 258, 310, 344, 372, 430, 465, 516, 620, 645, 744, 860, 930, 1032, 1240, 1290, 1321, 1333, 1720, 1860, 2580, 2642, 2666, 3720, 3963, 3999, 5160, 5284, 5332, 6605, 6665, 7926, 7998, 10568, 10664, 13210, 13330, 15852, 15996, 19815, 19995, 26420, 26660, 31704, 31992, 39630, 39990, 40951, 52840, 53320, 56803, 79260, 79980, 81902, 113606, 122853, 158520, 159960, 163804, 170409, 204755, 227212, 245706, 284015, 327608, 340818, 409510, 454424, 491412, 568030, 614265, 681636, 819020, 852045, 982824, 1136060, 1228530, 1363272, 1638040, 1704090, 1760893, 2272120, 2457060, 3408180, 3521786, 4914120, 5282679, 6816360, 7043572, 8804465, 10565358, 14087144, 17608930, 21130716, 26413395, 35217860, 42261432, 52826790, 70435720, 105653580, 211307160]

約数ペア:

[(1, 211307160), (2, 105653580), (3, 70435720), (4, 52826790), (5, 42261432), (6, 35217860), (8, 26413395), (10, 21130716), (12, 17608930), (15, 14087144), (20, 10565358), (24, 8804465), (30, 7043572), (31, 6816360), (40, 5282679), (43, 4914120), (60, 3521786), (62, 3408180), (86, 2457060), (93, 2272120), (120, 1760893), (124, 1704090), (129, 1638040), (155, 1363272), (172, 1228530), (186, 1136060), (215, 982824), (248, 852045), (258, 819020), (310, 681636), (344, 614265), (372, 568030), (430, 491412), (465, 454424), (516, 409510), (620, 340818), (645, 327608), (744, 284015), (860, 245706), (930, 227212), (1032, 204755), (1240, 170409), (1290, 163804), (1321, 159960), (1333, 158520), (1720, 122853), (1860, 113606), (2580, 81902), (2642, 79980), (2666, 79260), (3720, 56803), (3963, 53320), (3999, 52840), (5160, 40951), (5284, 39990), (5332, 39630), (6605, 31992), (6665, 31704), (7926, 26660), (7998, 26420), (10568, 19995), (10664, 19815), (13210, 15996), (13330, 15852)]