78610140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:812

約数の個数: 144

約数和(自身を含む): 275970240

約数和(自身を除く): 197360100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 701, 801, 890, 1068, 1246, 1260, 1335, 1402, 1602, 1780, 1869, 2103, 2492, 2670, 2804, 3115, 3204, 3505, 3738, 4005, 4206, 4907, 5340, 5607, 6230, 6309, 7010, 7476, 8010, 8412, 9345, 9814, 10515, 11214, 12460, 12618, 14020, 14721, 16020, 18690, 19628, 21030, 22428, 24535, 25236, 28035, 29442, 31545, 37380, 42060, 44163, 49070, 56070, 58884, 62389, 63090, 73605, 88326, 98140, 112140, 124778, 126180, 147210, 176652, 187167, 220815, 249556, 294420, 311945, 374334, 436723, 441630, 561501, 623890, 748668, 873446, 883260, 935835, 1123002, 1247780, 1310169, 1746892, 1871670, 2183615, 2246004, 2620338, 2807505, 3743340, 3930507, 4367230, 5240676, 5615010, 6550845, 7861014, 8734460, 11230020, 13101690, 15722028, 19652535, 26203380, 39305070, 78610140]

約数ペア:

[(1, 78610140), (2, 39305070), (3, 26203380), (4, 19652535), (5, 15722028), (6, 13101690), (7, 11230020), (9, 8734460), (10, 7861014), (12, 6550845), (14, 5615010), (15, 5240676), (18, 4367230), (20, 3930507), (21, 3743340), (28, 2807505), (30, 2620338), (35, 2246004), (36, 2183615), (42, 1871670), (45, 1746892), (60, 1310169), (63, 1247780), (70, 1123002), (84, 935835), (89, 883260), (90, 873446), (105, 748668), (126, 623890), (140, 561501), (178, 441630), (180, 436723), (210, 374334), (252, 311945), (267, 294420), (315, 249556), (356, 220815), (420, 187167), (445, 176652), (534, 147210), (623, 126180), (630, 124778), (701, 112140), (801, 98140), (890, 88326), (1068, 73605), (1246, 63090), (1260, 62389), (1335, 58884), (1402, 56070), (1602, 49070), (1780, 44163), (1869, 42060), (2103, 37380), (2492, 31545), (2670, 29442), (2804, 28035), (3115, 25236), (3204, 24535), (3505, 22428), (3738, 21030), (4005, 19628), (4206, 18690), (4907, 16020), (5340, 14721), (5607, 14020), (6230, 12618), (6309, 12460), (7010, 11214), (7476, 10515), (8010, 9814), (8412, 9345)]