856906680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:486

約数の個数: 256

約数和(自身を含む): 3064320000

約数和(自身を除く): 2207413320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 79, 84, 105, 111, 120, 140, 148, 158, 168, 185, 210, 222, 237, 259, 280, 296, 316, 349, 370, 395, 420, 444, 474, 518, 553, 555, 632, 698, 740, 777, 790, 840, 888, 948, 1036, 1047, 1106, 1110, 1185, 1295, 1396, 1480, 1554, 1580, 1659, 1745, 1896, 2072, 2094, 2212, 2220, 2370, 2443, 2590, 2765, 2792, 2923, 3108, 3160, 3318, 3490, 3885, 4188, 4424, 4440, 4740, 4886, 5180, 5235, 5530, 5846, 6216, 6636, 6980, 7329, 7770, 8295, 8376, 8769, 9480, 9772, 10360, 10470, 11060, 11692, 12215, 12913, 13272, 13960, 14615, 14658, 15540, 16590, 17538, 19544, 20461, 20940, 22120, 23384, 24430, 25826, 27571, 29230, 29316, 31080, 33180, 35076, 36645, 38739, 40922, 41880, 43845, 48860, 51652, 55142, 58460, 58632, 61383, 64565, 66360, 70152, 73290, 77478, 81844, 82713, 87690, 90391, 97720, 102305, 103304, 110284, 116920, 122766, 129130, 137855, 146580, 154956, 163688, 165426, 175380, 180782, 192997, 193695, 204610, 220568, 245532, 258260, 271173, 275710, 293160, 306915, 309912, 330852, 350760, 361564, 385994, 387390, 409220, 413565, 451955, 491064, 516520, 542346, 551420, 578991, 613830, 661704, 723128, 771988, 774780, 818440, 827130, 903910, 964985, 1020127, 1084692, 1102840, 1157982, 1227660, 1355865, 1543976, 1549560, 1654260, 1807820, 1929970, 2040254, 2169384, 2315964, 2455320, 2711730, 2894955, 3060381, 3308520, 3615640, 3859940, 4080508, 4631928, 5100635, 5423460, 5789910, 6120762, 7140889, 7719880, 8161016, 10201270, 10846920, 11579820, 12241524, 14281778, 15301905, 20402540, 21422667, 23159640, 24483048, 28563556, 30603810, 35704445, 40805080, 42845334, 57127112, 61207620, 71408890, 85690668, 107113335, 122415240, 142817780, 171381336, 214226670, 285635560, 428453340, 856906680]

約数ペア:

[(1, 856906680), (2, 428453340), (3, 285635560), (4, 214226670), (5, 171381336), (6, 142817780), (7, 122415240), (8, 107113335), (10, 85690668), (12, 71408890), (14, 61207620), (15, 57127112), (20, 42845334), (21, 40805080), (24, 35704445), (28, 30603810), (30, 28563556), (35, 24483048), (37, 23159640), (40, 21422667), (42, 20402540), (56, 15301905), (60, 14281778), (70, 12241524), (74, 11579820), (79, 10846920), (84, 10201270), (105, 8161016), (111, 7719880), (120, 7140889), (140, 6120762), (148, 5789910), (158, 5423460), (168, 5100635), (185, 4631928), (210, 4080508), (222, 3859940), (237, 3615640), (259, 3308520), (280, 3060381), (296, 2894955), (316, 2711730), (349, 2455320), (370, 2315964), (395, 2169384), (420, 2040254), (444, 1929970), (474, 1807820), (518, 1654260), (553, 1549560), (555, 1543976), (632, 1355865), (698, 1227660), (740, 1157982), (777, 1102840), (790, 1084692), (840, 1020127), (888, 964985), (948, 903910), (1036, 827130), (1047, 818440), (1106, 774780), (1110, 771988), (1185, 723128), (1295, 661704), (1396, 613830), (1480, 578991), (1554, 551420), (1580, 542346), (1659, 516520), (1745, 491064), (1896, 451955), (2072, 413565), (2094, 409220), (2212, 387390), (2220, 385994), (2370, 361564), (2443, 350760), (2590, 330852), (2765, 309912), (2792, 306915), (2923, 293160), (3108, 275710), (3160, 271173), (3318, 258260), (3490, 245532), (3885, 220568), (4188, 204610), (4424, 193695), (4440, 192997), (4740, 180782), (4886, 175380), (5180, 165426), (5235, 163688), (5530, 154956), (5846, 146580), (6216, 137855), (6636, 129130), (6980, 122766), (7329, 116920), (7770, 110284), (8295, 103304), (8376, 102305), (8769, 97720), (9480, 90391), (9772, 87690), (10360, 82713), (10470, 81844), (11060, 77478), (11692, 73290), (12215, 70152), (12913, 66360), (13272, 64565), (13960, 61383), (14615, 58632), (14658, 58460), (15540, 55142), (16590, 51652), (17538, 48860), (19544, 43845), (20461, 41880), (20940, 40922), (22120, 38739), (23384, 36645), (24430, 35076), (25826, 33180), (27571, 31080), (29230, 29316)]