7485660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 28007616

約数和(自身を除く): 20521956

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 457, 468, 546, 585, 630, 780, 819, 910, 914, 1092, 1170, 1260, 1365, 1371, 1638, 1820, 1828, 2285, 2340, 2730, 2742, 3199, 3276, 4095, 4113, 4570, 5460, 5484, 5941, 6398, 6855, 8190, 8226, 9140, 9597, 11882, 12796, 13710, 15995, 16380, 16452, 17823, 19194, 20565, 23764, 27420, 28791, 29705, 31990, 35646, 38388, 41130, 41587, 47985, 53469, 57582, 59410, 63980, 71292, 82260, 83174, 89115, 95970, 106938, 115164, 118820, 124761, 143955, 166348, 178230, 191940, 207935, 213876, 249522, 267345, 287910, 356460, 374283, 415870, 499044, 534690, 575820, 623805, 748566, 831740, 1069380, 1247610, 1497132, 1871415, 2495220, 3742830, 7485660]

約数ペア:

[(1, 7485660), (2, 3742830), (3, 2495220), (4, 1871415), (5, 1497132), (6, 1247610), (7, 1069380), (9, 831740), (10, 748566), (12, 623805), (13, 575820), (14, 534690), (15, 499044), (18, 415870), (20, 374283), (21, 356460), (26, 287910), (28, 267345), (30, 249522), (35, 213876), (36, 207935), (39, 191940), (42, 178230), (45, 166348), (52, 143955), (60, 124761), (63, 118820), (65, 115164), (70, 106938), (78, 95970), (84, 89115), (90, 83174), (91, 82260), (105, 71292), (117, 63980), (126, 59410), (130, 57582), (140, 53469), (156, 47985), (180, 41587), (182, 41130), (195, 38388), (210, 35646), (234, 31990), (252, 29705), (260, 28791), (273, 27420), (315, 23764), (364, 20565), (390, 19194), (420, 17823), (455, 16452), (457, 16380), (468, 15995), (546, 13710), (585, 12796), (630, 11882), (780, 9597), (819, 9140), (910, 8226), (914, 8190), (1092, 6855), (1170, 6398), (1260, 5941), (1365, 5484), (1371, 5460), (1638, 4570), (1820, 4113), (1828, 4095), (2285, 3276), (2340, 3199), (2730, 2742)]