131525940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 288

約数和(自身を含む): 486984960

約数和(自身を除く): 355459020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 109, 119, 130, 140, 156, 169, 170, 182, 195, 204, 210, 218, 221, 238, 255, 260, 273, 327, 338, 340, 357, 364, 390, 420, 436, 442, 455, 476, 507, 510, 545, 546, 595, 654, 663, 676, 714, 763, 780, 845, 884, 910, 1014, 1020, 1090, 1092, 1105, 1183, 1190, 1308, 1326, 1365, 1417, 1428, 1526, 1547, 1635, 1690, 1785, 1820, 1853, 2028, 2180, 2210, 2289, 2366, 2380, 2535, 2652, 2730, 2834, 2873, 3052, 3094, 3270, 3315, 3380, 3549, 3570, 3706, 3815, 4251, 4420, 4578, 4641, 4732, 5070, 5460, 5559, 5668, 5746, 5915, 6188, 6540, 6630, 7085, 7098, 7140, 7412, 7630, 7735, 8502, 8619, 9156, 9265, 9282, 9919, 10140, 11118, 11445, 11492, 11830, 12971, 13260, 14170, 14196, 14365, 15260, 15470, 17004, 17238, 17745, 18421, 18530, 18564, 19838, 20111, 21255, 22236, 22890, 23205, 23660, 24089, 25942, 27795, 28340, 28730, 29757, 30940, 34476, 35490, 36842, 37060, 38913, 39676, 40222, 42510, 43095, 45780, 46410, 48178, 49595, 51884, 55263, 55590, 57460, 59514, 60333, 64855, 70980, 72267, 73684, 77826, 80444, 85020, 86190, 92105, 92820, 96356, 99190, 100555, 110526, 111180, 119028, 120445, 120666, 128947, 129710, 144534, 148785, 155652, 168623, 172380, 184210, 194565, 198380, 201110, 221052, 240890, 241332, 257894, 259420, 276315, 289068, 297570, 301665, 313157, 337246, 361335, 368420, 386841, 389130, 402220, 481780, 505869, 515788, 552630, 595140, 603330, 626314, 644735, 674492, 722670, 773682, 778260, 843115, 939471, 1011738, 1105260, 1206660, 1252628, 1289470, 1445340, 1547364, 1565785, 1686230, 1878942, 1934205, 2023476, 2192099, 2529345, 2578940, 3131570, 3372460, 3757884, 3868410, 4384198, 4697355, 5058690, 6263140, 6576297, 7736820, 8768396, 9394710, 10117380, 10960495, 13152594, 18789420, 21920990, 26305188, 32881485, 43841980, 65762970, 131525940]

約数ペア:

[(1, 131525940), (2, 65762970), (3, 43841980), (4, 32881485), (5, 26305188), (6, 21920990), (7, 18789420), (10, 13152594), (12, 10960495), (13, 10117380), (14, 9394710), (15, 8768396), (17, 7736820), (20, 6576297), (21, 6263140), (26, 5058690), (28, 4697355), (30, 4384198), (34, 3868410), (35, 3757884), (39, 3372460), (42, 3131570), (51, 2578940), (52, 2529345), (60, 2192099), (65, 2023476), (68, 1934205), (70, 1878942), (78, 1686230), (84, 1565785), (85, 1547364), (91, 1445340), (102, 1289470), (105, 1252628), (109, 1206660), (119, 1105260), (130, 1011738), (140, 939471), (156, 843115), (169, 778260), (170, 773682), (182, 722670), (195, 674492), (204, 644735), (210, 626314), (218, 603330), (221, 595140), (238, 552630), (255, 515788), (260, 505869), (273, 481780), (327, 402220), (338, 389130), (340, 386841), (357, 368420), (364, 361335), (390, 337246), (420, 313157), (436, 301665), (442, 297570), (455, 289068), (476, 276315), (507, 259420), (510, 257894), (545, 241332), (546, 240890), (595, 221052), (654, 201110), (663, 198380), (676, 194565), (714, 184210), (763, 172380), (780, 168623), (845, 155652), (884, 148785), (910, 144534), (1014, 129710), (1020, 128947), (1090, 120666), (1092, 120445), (1105, 119028), (1183, 111180), (1190, 110526), (1308, 100555), (1326, 99190), (1365, 96356), (1417, 92820), (1428, 92105), (1526, 86190), (1547, 85020), (1635, 80444), (1690, 77826), (1785, 73684), (1820, 72267), (1853, 70980), (2028, 64855), (2180, 60333), (2210, 59514), (2289, 57460), (2366, 55590), (2380, 55263), (2535, 51884), (2652, 49595), (2730, 48178), (2834, 46410), (2873, 45780), (3052, 43095), (3094, 42510), (3270, 40222), (3315, 39676), (3380, 38913), (3549, 37060), (3570, 36842), (3706, 35490), (3815, 34476), (4251, 30940), (4420, 29757), (4578, 28730), (4641, 28340), (4732, 27795), (5070, 25942), (5460, 24089), (5559, 23660), (5668, 23205), (5746, 22890), (5915, 22236), (6188, 21255), (6540, 20111), (6630, 19838), (7085, 18564), (7098, 18530), (7140, 18421), (7412, 17745), (7630, 17238), (7735, 17004), (8502, 15470), (8619, 15260), (9156, 14365), (9265, 14196), (9282, 14170), (9919, 13260), (10140, 12971), (11118, 11830), (11445, 11492)]