31314960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 240

約数和(自身を含む): 115135488

約数和(自身を除く): 83820528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 31, 36, 40, 45, 46, 48, 60, 61, 62, 69, 72, 80, 90, 92, 93, 115, 120, 122, 124, 138, 144, 155, 180, 183, 184, 186, 207, 230, 240, 244, 248, 276, 279, 305, 310, 345, 360, 366, 368, 372, 414, 460, 465, 488, 496, 549, 552, 558, 610, 620, 690, 713, 720, 732, 744, 828, 915, 920, 930, 976, 1035, 1098, 1104, 1116, 1220, 1240, 1380, 1395, 1403, 1426, 1464, 1488, 1656, 1830, 1840, 1860, 1891, 2070, 2139, 2196, 2232, 2440, 2480, 2745, 2760, 2790, 2806, 2852, 2928, 3312, 3565, 3660, 3720, 3782, 4140, 4209, 4278, 4392, 4464, 4880, 5490, 5520, 5580, 5612, 5673, 5704, 6417, 7015, 7130, 7320, 7440, 7564, 8280, 8418, 8556, 8784, 9455, 10695, 10980, 11160, 11224, 11346, 11408, 12627, 12834, 14030, 14260, 14640, 15128, 16560, 16836, 17019, 17112, 18910, 21045, 21390, 21960, 22320, 22448, 22692, 25254, 25668, 28060, 28365, 28520, 30256, 32085, 33672, 34038, 34224, 37820, 42090, 42780, 43493, 43920, 45384, 50508, 51336, 56120, 56730, 57040, 63135, 64170, 67344, 68076, 75640, 84180, 85095, 85560, 86986, 90768, 101016, 102672, 112240, 113460, 126270, 128340, 130479, 136152, 151280, 168360, 170190, 171120, 173972, 202032, 217465, 226920, 252540, 256680, 260958, 272304, 336720, 340380, 347944, 391437, 434930, 453840, 505080, 513360, 521916, 652395, 680760, 695888, 782874, 869860, 1010160, 1043832, 1304790, 1361520, 1565748, 1739720, 1957185, 2087664, 2609580, 3131496, 3479440, 3914370, 5219160, 6262992, 7828740, 10438320, 15657480, 31314960]

約数ペア:

[(1, 31314960), (2, 15657480), (3, 10438320), (4, 7828740), (5, 6262992), (6, 5219160), (8, 3914370), (9, 3479440), (10, 3131496), (12, 2609580), (15, 2087664), (16, 1957185), (18, 1739720), (20, 1565748), (23, 1361520), (24, 1304790), (30, 1043832), (31, 1010160), (36, 869860), (40, 782874), (45, 695888), (46, 680760), (48, 652395), (60, 521916), (61, 513360), (62, 505080), (69, 453840), (72, 434930), (80, 391437), (90, 347944), (92, 340380), (93, 336720), (115, 272304), (120, 260958), (122, 256680), (124, 252540), (138, 226920), (144, 217465), (155, 202032), (180, 173972), (183, 171120), (184, 170190), (186, 168360), (207, 151280), (230, 136152), (240, 130479), (244, 128340), (248, 126270), (276, 113460), (279, 112240), (305, 102672), (310, 101016), (345, 90768), (360, 86986), (366, 85560), (368, 85095), (372, 84180), (414, 75640), (460, 68076), (465, 67344), (488, 64170), (496, 63135), (549, 57040), (552, 56730), (558, 56120), (610, 51336), (620, 50508), (690, 45384), (713, 43920), (720, 43493), (732, 42780), (744, 42090), (828, 37820), (915, 34224), (920, 34038), (930, 33672), (976, 32085), (1035, 30256), (1098, 28520), (1104, 28365), (1116, 28060), (1220, 25668), (1240, 25254), (1380, 22692), (1395, 22448), (1403, 22320), (1426, 21960), (1464, 21390), (1488, 21045), (1656, 18910), (1830, 17112), (1840, 17019), (1860, 16836), (1891, 16560), (2070, 15128), (2139, 14640), (2196, 14260), (2232, 14030), (2440, 12834), (2480, 12627), (2745, 11408), (2760, 11346), (2790, 11224), (2806, 11160), (2852, 10980), (2928, 10695), (3312, 9455), (3565, 8784), (3660, 8556), (3720, 8418), (3782, 8280), (4140, 7564), (4209, 7440), (4278, 7320), (4392, 7130), (4464, 7015), (4880, 6417), (5490, 5704), (5520, 5673), (5580, 5612)]