31561530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1051}}^1$

素因数の和:1092

約数の個数: 128

約数和(自身を含む): 101799936

約数和(自身を除く): 70238406

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 26, 30, 33, 35, 39, 42, 55, 65, 66, 70, 77, 78, 91, 105, 110, 130, 143, 154, 165, 182, 195, 210, 231, 273, 286, 330, 385, 390, 429, 455, 462, 546, 715, 770, 858, 910, 1001, 1051, 1155, 1365, 1430, 2002, 2102, 2145, 2310, 2730, 3003, 3153, 4290, 5005, 5255, 6006, 6306, 7357, 10010, 10510, 11561, 13663, 14714, 15015, 15765, 22071, 23122, 27326, 30030, 31530, 34683, 36785, 40989, 44142, 57805, 68315, 69366, 73570, 80927, 81978, 95641, 110355, 115610, 136630, 150293, 161854, 173415, 191282, 204945, 220710, 242781, 286923, 300586, 346830, 404635, 409890, 450879, 478205, 485562, 573846, 751465, 809270, 901758, 956410, 1052051, 1213905, 1434615, 1502930, 2104102, 2254395, 2427810, 2869230, 3156153, 4508790, 5260255, 6312306, 10520510, 15780765, 31561530]

約数ペア:

[(1, 31561530), (2, 15780765), (3, 10520510), (5, 6312306), (6, 5260255), (7, 4508790), (10, 3156153), (11, 2869230), (13, 2427810), (14, 2254395), (15, 2104102), (21, 1502930), (22, 1434615), (26, 1213905), (30, 1052051), (33, 956410), (35, 901758), (39, 809270), (42, 751465), (55, 573846), (65, 485562), (66, 478205), (70, 450879), (77, 409890), (78, 404635), (91, 346830), (105, 300586), (110, 286923), (130, 242781), (143, 220710), (154, 204945), (165, 191282), (182, 173415), (195, 161854), (210, 150293), (231, 136630), (273, 115610), (286, 110355), (330, 95641), (385, 81978), (390, 80927), (429, 73570), (455, 69366), (462, 68315), (546, 57805), (715, 44142), (770, 40989), (858, 36785), (910, 34683), (1001, 31530), (1051, 30030), (1155, 27326), (1365, 23122), (1430, 22071), (2002, 15765), (2102, 15015), (2145, 14714), (2310, 13663), (2730, 11561), (3003, 10510), (3153, 10010), (4290, 7357), (5005, 6306), (5255, 6006)]