123156840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{827}}^1$

素因数の和:931

約数の個数: 128

約数和(自身を含む): 397042560

約数和(自身を除く): 273885720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 73, 85, 102, 120, 136, 146, 170, 204, 219, 255, 292, 340, 365, 408, 438, 510, 584, 680, 730, 827, 876, 1020, 1095, 1241, 1460, 1654, 1752, 2040, 2190, 2481, 2482, 2920, 3308, 3723, 4135, 4380, 4962, 4964, 6205, 6616, 7446, 8270, 8760, 9924, 9928, 12405, 12410, 14059, 14892, 16540, 18615, 19848, 24810, 24820, 28118, 29784, 33080, 37230, 42177, 49620, 49640, 56236, 60371, 70295, 74460, 84354, 99240, 112472, 120742, 140590, 148920, 168708, 181113, 210885, 241484, 281180, 301855, 337416, 362226, 421770, 482968, 562360, 603710, 724452, 843540, 905565, 1026307, 1207420, 1448904, 1687080, 1811130, 2052614, 2414840, 3078921, 3622260, 4105228, 5131535, 6157842, 7244520, 8210456, 10263070, 12315684, 15394605, 20526140, 24631368, 30789210, 41052280, 61578420, 123156840]

約数ペア:

[(1, 123156840), (2, 61578420), (3, 41052280), (4, 30789210), (5, 24631368), (6, 20526140), (8, 15394605), (10, 12315684), (12, 10263070), (15, 8210456), (17, 7244520), (20, 6157842), (24, 5131535), (30, 4105228), (34, 3622260), (40, 3078921), (51, 2414840), (60, 2052614), (68, 1811130), (73, 1687080), (85, 1448904), (102, 1207420), (120, 1026307), (136, 905565), (146, 843540), (170, 724452), (204, 603710), (219, 562360), (255, 482968), (292, 421770), (340, 362226), (365, 337416), (408, 301855), (438, 281180), (510, 241484), (584, 210885), (680, 181113), (730, 168708), (827, 148920), (876, 140590), (1020, 120742), (1095, 112472), (1241, 99240), (1460, 84354), (1654, 74460), (1752, 70295), (2040, 60371), (2190, 56236), (2481, 49640), (2482, 49620), (2920, 42177), (3308, 37230), (3723, 33080), (4135, 29784), (4380, 28118), (4962, 24820), (4964, 24810), (6205, 19848), (6616, 18615), (7446, 16540), (8270, 14892), (8760, 14059), (9924, 12410), (9928, 12405)]