31848180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:358

約数の個数: 192

約数和(自身を含む): 115906560

約数和(自身を除く): 84058380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 105, 114, 130, 133, 140, 156, 182, 190, 195, 210, 228, 247, 260, 266, 273, 285, 307, 364, 380, 390, 399, 420, 455, 494, 532, 546, 570, 614, 665, 741, 780, 798, 910, 921, 988, 1092, 1140, 1228, 1235, 1330, 1365, 1482, 1535, 1596, 1729, 1820, 1842, 1995, 2149, 2470, 2660, 2730, 2964, 3070, 3458, 3684, 3705, 3990, 3991, 4298, 4605, 4940, 5187, 5460, 5833, 6140, 6447, 6916, 7410, 7980, 7982, 8596, 8645, 9210, 10374, 10745, 11666, 11973, 12894, 14820, 15964, 17290, 17499, 18420, 19955, 20748, 21490, 23332, 23946, 25788, 25935, 27937, 29165, 32235, 34580, 34998, 39910, 40831, 42980, 47892, 51870, 55874, 58330, 59865, 64470, 69996, 75829, 79820, 81662, 83811, 87495, 103740, 111748, 116660, 119730, 122493, 128940, 139685, 151658, 163324, 167622, 174990, 204155, 227487, 239460, 244986, 279370, 303316, 335244, 349980, 379145, 408310, 419055, 454974, 489972, 530803, 558740, 612465, 758290, 816620, 838110, 909948, 1061606, 1137435, 1224930, 1516580, 1592409, 1676220, 2123212, 2274870, 2449860, 2654015, 3184818, 4549740, 5308030, 6369636, 7962045, 10616060, 15924090, 31848180]

約数ペア:

[(1, 31848180), (2, 15924090), (3, 10616060), (4, 7962045), (5, 6369636), (6, 5308030), (7, 4549740), (10, 3184818), (12, 2654015), (13, 2449860), (14, 2274870), (15, 2123212), (19, 1676220), (20, 1592409), (21, 1516580), (26, 1224930), (28, 1137435), (30, 1061606), (35, 909948), (38, 838110), (39, 816620), (42, 758290), (52, 612465), (57, 558740), (60, 530803), (65, 489972), (70, 454974), (76, 419055), (78, 408310), (84, 379145), (91, 349980), (95, 335244), (105, 303316), (114, 279370), (130, 244986), (133, 239460), (140, 227487), (156, 204155), (182, 174990), (190, 167622), (195, 163324), (210, 151658), (228, 139685), (247, 128940), (260, 122493), (266, 119730), (273, 116660), (285, 111748), (307, 103740), (364, 87495), (380, 83811), (390, 81662), (399, 79820), (420, 75829), (455, 69996), (494, 64470), (532, 59865), (546, 58330), (570, 55874), (614, 51870), (665, 47892), (741, 42980), (780, 40831), (798, 39910), (910, 34998), (921, 34580), (988, 32235), (1092, 29165), (1140, 27937), (1228, 25935), (1235, 25788), (1330, 23946), (1365, 23332), (1482, 21490), (1535, 20748), (1596, 19955), (1729, 18420), (1820, 17499), (1842, 17290), (1995, 15964), (2149, 14820), (2470, 12894), (2660, 11973), (2730, 11666), (2964, 10745), (3070, 10374), (3458, 9210), (3684, 8645), (3705, 8596), (3990, 7982), (3991, 7980), (4298, 7410), (4605, 6916), (4940, 6447), (5187, 6140), (5460, 5833)]