287485320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1$

素因数の和:863

約数の個数: 128

約数和(自身を含む): 899712000

約数和(自身を除く): 612226680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 109, 120, 124, 155, 186, 218, 248, 310, 327, 372, 436, 465, 545, 620, 654, 709, 744, 872, 930, 1090, 1240, 1308, 1418, 1635, 1860, 2127, 2180, 2616, 2836, 3270, 3379, 3545, 3720, 4254, 4360, 5672, 6540, 6758, 7090, 8508, 10137, 10635, 13080, 13516, 14180, 16895, 17016, 20274, 21270, 21979, 27032, 28360, 33790, 40548, 42540, 43958, 50685, 65937, 67580, 77281, 81096, 85080, 87916, 101370, 109895, 131874, 135160, 154562, 175832, 202740, 219790, 231843, 263748, 309124, 329685, 386405, 405480, 439580, 463686, 527496, 618248, 659370, 772810, 879160, 927372, 1159215, 1318740, 1545620, 1854744, 2318430, 2395711, 2637480, 3091240, 4636860, 4791422, 7187133, 9273720, 9582844, 11978555, 14374266, 19165688, 23957110, 28748532, 35935665, 47914220, 57497064, 71871330, 95828440, 143742660, 287485320]

約数ペア:

[(1, 287485320), (2, 143742660), (3, 95828440), (4, 71871330), (5, 57497064), (6, 47914220), (8, 35935665), (10, 28748532), (12, 23957110), (15, 19165688), (20, 14374266), (24, 11978555), (30, 9582844), (31, 9273720), (40, 7187133), (60, 4791422), (62, 4636860), (93, 3091240), (109, 2637480), (120, 2395711), (124, 2318430), (155, 1854744), (186, 1545620), (218, 1318740), (248, 1159215), (310, 927372), (327, 879160), (372, 772810), (436, 659370), (465, 618248), (545, 527496), (620, 463686), (654, 439580), (709, 405480), (744, 386405), (872, 329685), (930, 309124), (1090, 263748), (1240, 231843), (1308, 219790), (1418, 202740), (1635, 175832), (1860, 154562), (2127, 135160), (2180, 131874), (2616, 109895), (2836, 101370), (3270, 87916), (3379, 85080), (3545, 81096), (3720, 77281), (4254, 67580), (4360, 65937), (5672, 50685), (6540, 43958), (6758, 42540), (7090, 40548), (8508, 33790), (10137, 28360), (10635, 27032), (13080, 21979), (13516, 21270), (14180, 20274), (16895, 17016)]