87003420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 287165088

約数和(自身を除く): 200161668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 101, 105, 140, 147, 196, 202, 210, 245, 293, 294, 303, 404, 420, 490, 505, 586, 588, 606, 707, 735, 879, 980, 1010, 1172, 1212, 1414, 1465, 1470, 1515, 1758, 2020, 2051, 2121, 2828, 2930, 2940, 3030, 3516, 3535, 4102, 4242, 4395, 4949, 5860, 6060, 6153, 7070, 8204, 8484, 8790, 9898, 10255, 10605, 12306, 14140, 14357, 14847, 17580, 19796, 20510, 21210, 24612, 24745, 28714, 29593, 29694, 30765, 41020, 42420, 43071, 49490, 57428, 59186, 59388, 61530, 71785, 74235, 86142, 88779, 98980, 118372, 123060, 143570, 147965, 148470, 172284, 177558, 207151, 215355, 287140, 295930, 296940, 355116, 414302, 430710, 443895, 591860, 621453, 828604, 861420, 887790, 1035755, 1242906, 1450057, 1775580, 2071510, 2485812, 2900114, 3107265, 4143020, 4350171, 5800228, 6214530, 7250285, 8700342, 12429060, 14500570, 17400684, 21750855, 29001140, 43501710, 87003420]

約数ペア:

[(1, 87003420), (2, 43501710), (3, 29001140), (4, 21750855), (5, 17400684), (6, 14500570), (7, 12429060), (10, 8700342), (12, 7250285), (14, 6214530), (15, 5800228), (20, 4350171), (21, 4143020), (28, 3107265), (30, 2900114), (35, 2485812), (42, 2071510), (49, 1775580), (60, 1450057), (70, 1242906), (84, 1035755), (98, 887790), (101, 861420), (105, 828604), (140, 621453), (147, 591860), (196, 443895), (202, 430710), (210, 414302), (245, 355116), (293, 296940), (294, 295930), (303, 287140), (404, 215355), (420, 207151), (490, 177558), (505, 172284), (586, 148470), (588, 147965), (606, 143570), (707, 123060), (735, 118372), (879, 98980), (980, 88779), (1010, 86142), (1172, 74235), (1212, 71785), (1414, 61530), (1465, 59388), (1470, 59186), (1515, 57428), (1758, 49490), (2020, 43071), (2051, 42420), (2121, 41020), (2828, 30765), (2930, 29694), (2940, 29593), (3030, 28714), (3516, 24745), (3535, 24612), (4102, 21210), (4242, 20510), (4395, 19796), (4949, 17580), (5860, 14847), (6060, 14357), (6153, 14140), (7070, 12306), (8204, 10605), (8484, 10255), (8790, 9898)]