866390280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:364

約数の個数: 256

約数和(自身を含む): 3068928000

約数和(自身を除く): 2202537720

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, 71, 73, 84, 105, 120, 140, 142, 146, 168, 199, 210, 213, 219, 280, 284, 292, 355, 365, 398, 420, 426, 438, 497, 511, 568, 584, 597, 710, 730, 796, 840, 852, 876, 994, 995, 1022, 1065, 1095, 1194, 1393, 1420, 1460, 1491, 1533, 1592, 1704, 1752, 1988, 1990, 2044, 2130, 2190, 2388, 2485, 2555, 2786, 2840, 2920, 2982, 2985, 3066, 3976, 3980, 4088, 4179, 4260, 4380, 4776, 4970, 5110, 5183, 5572, 5964, 5970, 6132, 6965, 7455, 7665, 7960, 8358, 8520, 8760, 9940, 10220, 10366, 11144, 11928, 11940, 12264, 13930, 14129, 14527, 14910, 15330, 15549, 16716, 19880, 20440, 20732, 20895, 23880, 25915, 27860, 28258, 29054, 29820, 30660, 31098, 33432, 36281, 41464, 41790, 42387, 43581, 51830, 55720, 56516, 58108, 59640, 61320, 62196, 70645, 72562, 72635, 77745, 83580, 84774, 87162, 98903, 101689, 103660, 108843, 113032, 116216, 124392, 141290, 145124, 145270, 155490, 167160, 169548, 174324, 181405, 197806, 203378, 207320, 211935, 217686, 217905, 282580, 290248, 290540, 296709, 305067, 310980, 339096, 348648, 362810, 395612, 406756, 423870, 435372, 435810, 494515, 508445, 544215, 565160, 581080, 593418, 610134, 621960, 725620, 791224, 813512, 847740, 870744, 871620, 989030, 1016890, 1031417, 1088430, 1186836, 1220268, 1451240, 1483545, 1525335, 1695480, 1743240, 1978060, 2033780, 2062834, 2176860, 2373672, 2440536, 2967090, 3050670, 3094251, 3956120, 4067560, 4125668, 4353720, 5157085, 5934180, 6101340, 6188502, 7219919, 8251336, 10314170, 11868360, 12202680, 12377004, 14439838, 15471255, 20628340, 21659757, 24754008, 28879676, 30942510, 36099595, 41256680, 43319514, 57759352, 61885020, 72199190, 86639028, 108298785, 123770040, 144398380, 173278056, 216597570, 288796760, 433195140, 866390280]

約数ペア:

[(1, 866390280), (2, 433195140), (3, 288796760), (4, 216597570), (5, 173278056), (6, 144398380), (7, 123770040), (8, 108298785), (10, 86639028), (12, 72199190), (14, 61885020), (15, 57759352), (20, 43319514), (21, 41256680), (24, 36099595), (28, 30942510), (30, 28879676), (35, 24754008), (40, 21659757), (42, 20628340), (56, 15471255), (60, 14439838), (70, 12377004), (71, 12202680), (73, 11868360), (84, 10314170), (105, 8251336), (120, 7219919), (140, 6188502), (142, 6101340), (146, 5934180), (168, 5157085), (199, 4353720), (210, 4125668), (213, 4067560), (219, 3956120), (280, 3094251), (284, 3050670), (292, 2967090), (355, 2440536), (365, 2373672), (398, 2176860), (420, 2062834), (426, 2033780), (438, 1978060), (497, 1743240), (511, 1695480), (568, 1525335), (584, 1483545), (597, 1451240), (710, 1220268), (730, 1186836), (796, 1088430), (840, 1031417), (852, 1016890), (876, 989030), (994, 871620), (995, 870744), (1022, 847740), (1065, 813512), (1095, 791224), (1194, 725620), (1393, 621960), (1420, 610134), (1460, 593418), (1491, 581080), (1533, 565160), (1592, 544215), (1704, 508445), (1752, 494515), (1988, 435810), (1990, 435372), (2044, 423870), (2130, 406756), (2190, 395612), (2388, 362810), (2485, 348648), (2555, 339096), (2786, 310980), (2840, 305067), (2920, 296709), (2982, 290540), (2985, 290248), (3066, 282580), (3976, 217905), (3980, 217686), (4088, 211935), (4179, 207320), (4260, 203378), (4380, 197806), (4776, 181405), (4970, 174324), (5110, 169548), (5183, 167160), (5572, 155490), (5964, 145270), (5970, 145124), (6132, 141290), (6965, 124392), (7455, 116216), (7665, 113032), (7960, 108843), (8358, 103660), (8520, 101689), (8760, 98903), (9940, 87162), (10220, 84774), (10366, 83580), (11144, 77745), (11928, 72635), (11940, 72562), (12264, 70645), (13930, 62196), (14129, 61320), (14527, 59640), (14910, 58108), (15330, 56516), (15549, 55720), (16716, 51830), (19880, 43581), (20440, 42387), (20732, 41790), (20895, 41464), (23880, 36281), (25915, 33432), (27860, 31098), (28258, 30660), (29054, 29820)]