198786840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2659}}^1$

素因数の和:2769

約数の個数: 128

約数和(自身を含む): 689472000

約数和(自身を除く): 490685160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 445, 534, 623, 712, 840, 890, 1068, 1246, 1335, 1780, 1869, 2136, 2492, 2659, 2670, 3115, 3560, 3738, 4984, 5318, 5340, 6230, 7476, 7977, 9345, 10636, 10680, 12460, 13295, 14952, 15954, 18613, 18690, 21272, 24920, 26590, 31908, 37226, 37380, 39885, 53180, 55839, 63816, 74452, 74760, 79770, 93065, 106360, 111678, 148904, 159540, 186130, 223356, 236651, 279195, 319080, 372260, 446712, 473302, 558390, 709953, 744520, 946604, 1116780, 1183255, 1419906, 1656557, 1893208, 2233560, 2366510, 2839812, 3313114, 3549765, 4733020, 4969671, 5679624, 6626228, 7099530, 8282785, 9466040, 9939342, 13252456, 14199060, 16565570, 19878684, 24848355, 28398120, 33131140, 39757368, 49696710, 66262280, 99393420, 198786840]

約数ペア:

[(1, 198786840), (2, 99393420), (3, 66262280), (4, 49696710), (5, 39757368), (6, 33131140), (7, 28398120), (8, 24848355), (10, 19878684), (12, 16565570), (14, 14199060), (15, 13252456), (20, 9939342), (21, 9466040), (24, 8282785), (28, 7099530), (30, 6626228), (35, 5679624), (40, 4969671), (42, 4733020), (56, 3549765), (60, 3313114), (70, 2839812), (84, 2366510), (89, 2233560), (105, 1893208), (120, 1656557), (140, 1419906), (168, 1183255), (178, 1116780), (210, 946604), (267, 744520), (280, 709953), (356, 558390), (420, 473302), (445, 446712), (534, 372260), (623, 319080), (712, 279195), (840, 236651), (890, 223356), (1068, 186130), (1246, 159540), (1335, 148904), (1780, 111678), (1869, 106360), (2136, 93065), (2492, 79770), (2659, 74760), (2670, 74452), (3115, 63816), (3560, 55839), (3738, 53180), (4984, 39885), (5318, 37380), (5340, 37226), (6230, 31908), (7476, 26590), (7977, 24920), (9345, 21272), (10636, 18690), (10680, 18613), (12460, 15954), (13295, 14952)]