71505420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2791}}^1$

素因数の和:2871

約数の個数: 96

約数和(自身を含む): 232651776

約数和(自身を除く): 161146356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 2791, 3660, 4270, 5124, 5582, 6405, 8373, 8540, 11164, 12810, 13955, 16746, 19537, 25620, 27910, 33492, 39074, 41865, 55820, 58611, 78148, 83730, 97685, 117222, 167460, 170251, 195370, 234444, 293055, 340502, 390740, 510753, 586110, 681004, 851255, 1021506, 1172220, 1191757, 1702510, 2043012, 2383514, 2553765, 3405020, 3575271, 4767028, 5107530, 5958785, 7150542, 10215060, 11917570, 14301084, 17876355, 23835140, 35752710, 71505420]

約数ペア:

[(1, 71505420), (2, 35752710), (3, 23835140), (4, 17876355), (5, 14301084), (6, 11917570), (7, 10215060), (10, 7150542), (12, 5958785), (14, 5107530), (15, 4767028), (20, 3575271), (21, 3405020), (28, 2553765), (30, 2383514), (35, 2043012), (42, 1702510), (60, 1191757), (61, 1172220), (70, 1021506), (84, 851255), (105, 681004), (122, 586110), (140, 510753), (183, 390740), (210, 340502), (244, 293055), (305, 234444), (366, 195370), (420, 170251), (427, 167460), (610, 117222), (732, 97685), (854, 83730), (915, 78148), (1220, 58611), (1281, 55820), (1708, 41865), (1830, 39074), (2135, 33492), (2562, 27910), (2791, 25620), (3660, 19537), (4270, 16746), (5124, 13955), (5582, 12810), (6405, 11164), (8373, 8540)]