87461220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1721}}^1$

素因数の和:1762

約数の個数: 144

約数和(自身を含む): 307810944

約数和(自身を除く): 220349724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1721, 1815, 2310, 2420, 2541, 3388, 3442, 3630, 4235, 4620, 5082, 5163, 6884, 7260, 8470, 8605, 10164, 10326, 12047, 12705, 16940, 17210, 18931, 20652, 24094, 25410, 25815, 34420, 36141, 37862, 48188, 50820, 51630, 56793, 60235, 72282, 75724, 94655, 103260, 113586, 120470, 132517, 144564, 180705, 189310, 208241, 227172, 240940, 265034, 283965, 361410, 378620, 397551, 416482, 530068, 567930, 624723, 662585, 722820, 795102, 832964, 1041205, 1135860, 1249446, 1325170, 1457687, 1590204, 1987755, 2082410, 2498892, 2650340, 2915374, 3123615, 3975510, 4164820, 4373061, 5830748, 6247230, 7288435, 7951020, 8746122, 12494460, 14576870, 17492244, 21865305, 29153740, 43730610, 87461220]

約数ペア:

[(1, 87461220), (2, 43730610), (3, 29153740), (4, 21865305), (5, 17492244), (6, 14576870), (7, 12494460), (10, 8746122), (11, 7951020), (12, 7288435), (14, 6247230), (15, 5830748), (20, 4373061), (21, 4164820), (22, 3975510), (28, 3123615), (30, 2915374), (33, 2650340), (35, 2498892), (42, 2082410), (44, 1987755), (55, 1590204), (60, 1457687), (66, 1325170), (70, 1249446), (77, 1135860), (84, 1041205), (105, 832964), (110, 795102), (121, 722820), (132, 662585), (140, 624723), (154, 567930), (165, 530068), (210, 416482), (220, 397551), (231, 378620), (242, 361410), (308, 283965), (330, 265034), (363, 240940), (385, 227172), (420, 208241), (462, 189310), (484, 180705), (605, 144564), (660, 132517), (726, 120470), (770, 113586), (847, 103260), (924, 94655), (1155, 75724), (1210, 72282), (1452, 60235), (1540, 56793), (1694, 51630), (1721, 50820), (1815, 48188), (2310, 37862), (2420, 36141), (2541, 34420), (3388, 25815), (3442, 25410), (3630, 24094), (4235, 20652), (4620, 18931), (5082, 17210), (5163, 16940), (6884, 12705), (7260, 12047), (8470, 10326), (8605, 10164)]