490490280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1289}}^1$

素因数の和:1464

約数の個数: 192

約数和(自身を含む): 1835308800

約数和(自身を除く): 1344818520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 151, 168, 180, 210, 252, 280, 302, 315, 360, 420, 453, 504, 604, 630, 755, 840, 906, 1057, 1208, 1260, 1289, 1359, 1510, 1812, 2114, 2265, 2520, 2578, 2718, 3020, 3171, 3624, 3867, 4228, 4530, 5156, 5285, 5436, 6040, 6342, 6445, 6795, 7734, 8456, 9023, 9060, 9513, 10312, 10570, 10872, 11601, 12684, 12890, 13590, 15468, 15855, 18046, 18120, 19026, 19335, 21140, 23202, 25368, 25780, 27069, 27180, 30936, 31710, 36092, 38052, 38670, 42280, 45115, 46404, 47565, 51560, 54138, 54360, 58005, 63420, 72184, 76104, 77340, 81207, 90230, 92808, 95130, 108276, 116010, 126840, 135345, 154680, 162414, 180460, 190260, 194639, 216552, 232020, 270690, 324828, 360920, 380520, 389278, 406035, 464040, 541380, 583917, 649656, 778556, 812070, 973195, 1082760, 1167834, 1362473, 1557112, 1624140, 1751751, 1946390, 2335668, 2724946, 2919585, 3248280, 3503502, 3892780, 4087419, 4671336, 5449892, 5839170, 6812365, 7007004, 7785560, 8174838, 8758755, 10899784, 11678340, 12262257, 13624730, 14014008, 16349676, 17517510, 20437095, 23356680, 24524514, 27249460, 32699352, 35035020, 40874190, 49049028, 54498920, 61311285, 70070040, 81748380, 98098056, 122622570, 163496760, 245245140, 490490280]

約数ペア:

[(1, 490490280), (2, 245245140), (3, 163496760), (4, 122622570), (5, 98098056), (6, 81748380), (7, 70070040), (8, 61311285), (9, 54498920), (10, 49049028), (12, 40874190), (14, 35035020), (15, 32699352), (18, 27249460), (20, 24524514), (21, 23356680), (24, 20437095), (28, 17517510), (30, 16349676), (35, 14014008), (36, 13624730), (40, 12262257), (42, 11678340), (45, 10899784), (56, 8758755), (60, 8174838), (63, 7785560), (70, 7007004), (72, 6812365), (84, 5839170), (90, 5449892), (105, 4671336), (120, 4087419), (126, 3892780), (140, 3503502), (151, 3248280), (168, 2919585), (180, 2724946), (210, 2335668), (252, 1946390), (280, 1751751), (302, 1624140), (315, 1557112), (360, 1362473), (420, 1167834), (453, 1082760), (504, 973195), (604, 812070), (630, 778556), (755, 649656), (840, 583917), (906, 541380), (1057, 464040), (1208, 406035), (1260, 389278), (1289, 380520), (1359, 360920), (1510, 324828), (1812, 270690), (2114, 232020), (2265, 216552), (2520, 194639), (2578, 190260), (2718, 180460), (3020, 162414), (3171, 154680), (3624, 135345), (3867, 126840), (4228, 116010), (4530, 108276), (5156, 95130), (5285, 92808), (5436, 90230), (6040, 81207), (6342, 77340), (6445, 76104), (6795, 72184), (7734, 63420), (8456, 58005), (9023, 54360), (9060, 54138), (9513, 51560), (10312, 47565), (10570, 46404), (10872, 45115), (11601, 42280), (12684, 38670), (12890, 38052), (13590, 36092), (15468, 31710), (15855, 30936), (18046, 27180), (18120, 27069), (19026, 25780), (19335, 25368), (21140, 23202)]