156516780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 514805760

約数和(自身を除く): 358288980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 139, 140, 147, 196, 210, 245, 278, 294, 383, 417, 420, 490, 556, 588, 695, 735, 766, 834, 973, 980, 1149, 1390, 1470, 1532, 1668, 1915, 1946, 2085, 2298, 2681, 2780, 2919, 2940, 3830, 3892, 4170, 4596, 4865, 5362, 5745, 5838, 6811, 7660, 8043, 8340, 9730, 10724, 11490, 11676, 13405, 13622, 14595, 16086, 18767, 19460, 20433, 22980, 26810, 27244, 29190, 32172, 34055, 37534, 40215, 40866, 53237, 53620, 56301, 58380, 68110, 75068, 80430, 81732, 93835, 102165, 106474, 112602, 136220, 159711, 160860, 187670, 204330, 212948, 225204, 266185, 281505, 319422, 372659, 375340, 408660, 532370, 563010, 638844, 745318, 798555, 1064740, 1117977, 1126020, 1490636, 1597110, 1863295, 2235954, 2608613, 3194220, 3726590, 4471908, 5217226, 5589885, 7453180, 7825839, 10434452, 11179770, 13043065, 15651678, 22359540, 26086130, 31303356, 39129195, 52172260, 78258390, 156516780]

約数ペア:

[(1, 156516780), (2, 78258390), (3, 52172260), (4, 39129195), (5, 31303356), (6, 26086130), (7, 22359540), (10, 15651678), (12, 13043065), (14, 11179770), (15, 10434452), (20, 7825839), (21, 7453180), (28, 5589885), (30, 5217226), (35, 4471908), (42, 3726590), (49, 3194220), (60, 2608613), (70, 2235954), (84, 1863295), (98, 1597110), (105, 1490636), (139, 1126020), (140, 1117977), (147, 1064740), (196, 798555), (210, 745318), (245, 638844), (278, 563010), (294, 532370), (383, 408660), (417, 375340), (420, 372659), (490, 319422), (556, 281505), (588, 266185), (695, 225204), (735, 212948), (766, 204330), (834, 187670), (973, 160860), (980, 159711), (1149, 136220), (1390, 112602), (1470, 106474), (1532, 102165), (1668, 93835), (1915, 81732), (1946, 80430), (2085, 75068), (2298, 68110), (2681, 58380), (2780, 56301), (2919, 53620), (2940, 53237), (3830, 40866), (3892, 40215), (4170, 37534), (4596, 34055), (4865, 32172), (5362, 29190), (5745, 27244), (5838, 26810), (6811, 22980), (7660, 20433), (8043, 19460), (8340, 18767), (9730, 16086), (10724, 14595), (11490, 13622), (11676, 13405)]