71245020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2203}}^1$

素因数の和:2240

約数の個数: 144

約数和(自身を含む): 253266048

約数和(自身を除く): 182021028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 735, 770, 924, 980, 1078, 1155, 1470, 1540, 1617, 2156, 2203, 2310, 2695, 2940, 3234, 4406, 4620, 5390, 6468, 6609, 8085, 8812, 10780, 11015, 13218, 15421, 16170, 22030, 24233, 26436, 30842, 32340, 33045, 44060, 46263, 48466, 61684, 66090, 72699, 77105, 92526, 96932, 107947, 121165, 132180, 145398, 154210, 169631, 185052, 215894, 231315, 242330, 290796, 308420, 323841, 339262, 363495, 431788, 462630, 484660, 508893, 539735, 647682, 678524, 726990, 848155, 925260, 1017786, 1079470, 1187417, 1295364, 1453980, 1619205, 1696310, 2035572, 2158940, 2374834, 2544465, 3238410, 3392620, 3562251, 4749668, 5088930, 5937085, 6476820, 7124502, 10177860, 11874170, 14249004, 17811255, 23748340, 35622510, 71245020]

約数ペア:

[(1, 71245020), (2, 35622510), (3, 23748340), (4, 17811255), (5, 14249004), (6, 11874170), (7, 10177860), (10, 7124502), (11, 6476820), (12, 5937085), (14, 5088930), (15, 4749668), (20, 3562251), (21, 3392620), (22, 3238410), (28, 2544465), (30, 2374834), (33, 2158940), (35, 2035572), (42, 1696310), (44, 1619205), (49, 1453980), (55, 1295364), (60, 1187417), (66, 1079470), (70, 1017786), (77, 925260), (84, 848155), (98, 726990), (105, 678524), (110, 647682), (132, 539735), (140, 508893), (147, 484660), (154, 462630), (165, 431788), (196, 363495), (210, 339262), (220, 323841), (231, 308420), (245, 290796), (294, 242330), (308, 231315), (330, 215894), (385, 185052), (420, 169631), (462, 154210), (490, 145398), (539, 132180), (588, 121165), (660, 107947), (735, 96932), (770, 92526), (924, 77105), (980, 72699), (1078, 66090), (1155, 61684), (1470, 48466), (1540, 46263), (1617, 44060), (2156, 33045), (2203, 32340), (2310, 30842), (2695, 26436), (2940, 24233), (3234, 22030), (4406, 16170), (4620, 15421), (5390, 13218), (6468, 11015), (6609, 10780), (8085, 8812)]