17986920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 256

約数和(自身を含む): 69120000

約数和(自身を除く): 51133080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 23, 24, 28, 30, 35, 38, 40, 42, 46, 49, 56, 57, 60, 69, 70, 76, 84, 92, 95, 98, 105, 114, 115, 120, 133, 138, 140, 147, 152, 161, 168, 184, 190, 196, 210, 228, 230, 245, 266, 276, 280, 285, 294, 322, 343, 345, 380, 392, 399, 420, 437, 456, 460, 483, 490, 532, 552, 570, 588, 644, 665, 686, 690, 735, 760, 798, 805, 840, 874, 920, 931, 966, 980, 1029, 1064, 1127, 1140, 1176, 1288, 1311, 1330, 1372, 1380, 1470, 1596, 1610, 1715, 1748, 1862, 1932, 1960, 1995, 2058, 2185, 2254, 2280, 2415, 2622, 2660, 2744, 2760, 2793, 2940, 3059, 3192, 3220, 3381, 3430, 3496, 3724, 3864, 3990, 4116, 4370, 4508, 4655, 4830, 5145, 5244, 5320, 5586, 5635, 5880, 6118, 6440, 6517, 6555, 6762, 6860, 7448, 7889, 7980, 8232, 8740, 9016, 9177, 9310, 9660, 10290, 10488, 11172, 11270, 12236, 13034, 13110, 13524, 13720, 13965, 15295, 15778, 15960, 16905, 17480, 18354, 18620, 19320, 19551, 20580, 21413, 22344, 22540, 23667, 24472, 26068, 26220, 27048, 27930, 30590, 31556, 32585, 33810, 36708, 37240, 39102, 39445, 41160, 42826, 45080, 45885, 47334, 52136, 52440, 55860, 61180, 63112, 64239, 65170, 67620, 73416, 78204, 78890, 85652, 91770, 94668, 97755, 107065, 111720, 118335, 122360, 128478, 130340, 135240, 149891, 156408, 157780, 171304, 183540, 189336, 195510, 214130, 236670, 256956, 260680, 299782, 315560, 321195, 367080, 391020, 428260, 449673, 473340, 513912, 599564, 642390, 749455, 782040, 856520, 899346, 946680, 1199128, 1284780, 1498910, 1798692, 2248365, 2569560, 2997820, 3597384, 4496730, 5995640, 8993460, 17986920]

約数ペア:

[(1, 17986920), (2, 8993460), (3, 5995640), (4, 4496730), (5, 3597384), (6, 2997820), (7, 2569560), (8, 2248365), (10, 1798692), (12, 1498910), (14, 1284780), (15, 1199128), (19, 946680), (20, 899346), (21, 856520), (23, 782040), (24, 749455), (28, 642390), (30, 599564), (35, 513912), (38, 473340), (40, 449673), (42, 428260), (46, 391020), (49, 367080), (56, 321195), (57, 315560), (60, 299782), (69, 260680), (70, 256956), (76, 236670), (84, 214130), (92, 195510), (95, 189336), (98, 183540), (105, 171304), (114, 157780), (115, 156408), (120, 149891), (133, 135240), (138, 130340), (140, 128478), (147, 122360), (152, 118335), (161, 111720), (168, 107065), (184, 97755), (190, 94668), (196, 91770), (210, 85652), (228, 78890), (230, 78204), (245, 73416), (266, 67620), (276, 65170), (280, 64239), (285, 63112), (294, 61180), (322, 55860), (343, 52440), (345, 52136), (380, 47334), (392, 45885), (399, 45080), (420, 42826), (437, 41160), (456, 39445), (460, 39102), (483, 37240), (490, 36708), (532, 33810), (552, 32585), (570, 31556), (588, 30590), (644, 27930), (665, 27048), (686, 26220), (690, 26068), (735, 24472), (760, 23667), (798, 22540), (805, 22344), (840, 21413), (874, 20580), (920, 19551), (931, 19320), (966, 18620), (980, 18354), (1029, 17480), (1064, 16905), (1127, 15960), (1140, 15778), (1176, 15295), (1288, 13965), (1311, 13720), (1330, 13524), (1372, 13110), (1380, 13034), (1470, 12236), (1596, 11270), (1610, 11172), (1715, 10488), (1748, 10290), (1862, 9660), (1932, 9310), (1960, 9177), (1995, 9016), (2058, 8740), (2185, 8232), (2254, 7980), (2280, 7889), (2415, 7448), (2622, 6860), (2660, 6762), (2744, 6555), (2760, 6517), (2793, 6440), (2940, 6118), (3059, 5880), (3192, 5635), (3220, 5586), (3381, 5320), (3430, 5244), (3496, 5145), (3724, 4830), (3864, 4655), (3990, 4508), (4116, 4370)]