31375680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:86

約数の個数: 336

約数和(自身を含む): 125089920

約数和(自身を除く): 93714240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 29, 30, 32, 35, 40, 42, 46, 48, 49, 56, 58, 60, 64, 69, 70, 80, 84, 87, 92, 96, 98, 105, 112, 115, 116, 120, 138, 140, 145, 147, 160, 161, 168, 174, 184, 192, 196, 203, 210, 224, 230, 232, 240, 245, 276, 280, 290, 294, 320, 322, 336, 345, 348, 368, 392, 406, 420, 435, 448, 460, 464, 480, 483, 490, 552, 560, 580, 588, 609, 644, 667, 672, 690, 696, 735, 736, 784, 805, 812, 840, 870, 920, 928, 960, 966, 980, 1015, 1104, 1120, 1127, 1160, 1176, 1218, 1288, 1334, 1344, 1380, 1392, 1421, 1470, 1472, 1568, 1610, 1624, 1680, 1740, 1840, 1856, 1932, 1960, 2001, 2030, 2208, 2240, 2254, 2320, 2352, 2415, 2436, 2576, 2668, 2760, 2784, 2842, 2940, 3045, 3136, 3220, 3248, 3335, 3360, 3381, 3480, 3680, 3864, 3920, 4002, 4060, 4263, 4416, 4508, 4640, 4669, 4704, 4830, 4872, 5152, 5336, 5520, 5568, 5635, 5684, 5880, 6090, 6440, 6496, 6670, 6720, 6762, 6960, 7105, 7360, 7728, 7840, 8004, 8120, 8526, 9016, 9280, 9338, 9408, 9660, 9744, 10005, 10304, 10672, 11040, 11270, 11368, 11760, 12180, 12880, 12992, 13340, 13524, 13920, 14007, 14210, 15456, 15680, 16008, 16240, 16905, 17052, 18032, 18676, 19320, 19488, 20010, 21315, 21344, 22080, 22540, 22736, 23345, 23520, 24360, 25760, 26680, 27048, 27840, 28014, 28420, 30912, 32016, 32480, 32683, 33810, 34104, 36064, 37352, 38640, 38976, 40020, 42630, 42688, 45080, 45472, 46690, 47040, 48720, 51520, 53360, 54096, 56028, 56840, 64032, 64960, 65366, 67620, 68208, 70035, 72128, 74704, 77280, 80040, 85260, 90160, 90944, 93380, 97440, 98049, 106720, 108192, 112056, 113680, 128064, 130732, 135240, 136416, 140070, 149408, 154560, 160080, 163415, 170520, 180320, 186760, 194880, 196098, 213440, 216384, 224112, 227360, 261464, 270480, 272832, 280140, 298816, 320160, 326830, 341040, 360640, 373520, 392196, 448224, 454720, 490245, 522928, 540960, 560280, 640320, 653660, 682080, 747040, 784392, 896448, 980490, 1045856, 1081920, 1120560, 1307320, 1364160, 1494080, 1568784, 1960980, 2091712, 2241120, 2614640, 3137568, 3921960, 4482240, 5229280, 6275136, 7843920, 10458560, 15687840, 31375680]

約数ペア:

[(1, 31375680), (2, 15687840), (3, 10458560), (4, 7843920), (5, 6275136), (6, 5229280), (7, 4482240), (8, 3921960), (10, 3137568), (12, 2614640), (14, 2241120), (15, 2091712), (16, 1960980), (20, 1568784), (21, 1494080), (23, 1364160), (24, 1307320), (28, 1120560), (29, 1081920), (30, 1045856), (32, 980490), (35, 896448), (40, 784392), (42, 747040), (46, 682080), (48, 653660), (49, 640320), (56, 560280), (58, 540960), (60, 522928), (64, 490245), (69, 454720), (70, 448224), (80, 392196), (84, 373520), (87, 360640), (92, 341040), (96, 326830), (98, 320160), (105, 298816), (112, 280140), (115, 272832), (116, 270480), (120, 261464), (138, 227360), (140, 224112), (145, 216384), (147, 213440), (160, 196098), (161, 194880), (168, 186760), (174, 180320), (184, 170520), (192, 163415), (196, 160080), (203, 154560), (210, 149408), (224, 140070), (230, 136416), (232, 135240), (240, 130732), (245, 128064), (276, 113680), (280, 112056), (290, 108192), (294, 106720), (320, 98049), (322, 97440), (336, 93380), (345, 90944), (348, 90160), (368, 85260), (392, 80040), (406, 77280), (420, 74704), (435, 72128), (448, 70035), (460, 68208), (464, 67620), (480, 65366), (483, 64960), (490, 64032), (552, 56840), (560, 56028), (580, 54096), (588, 53360), (609, 51520), (644, 48720), (667, 47040), (672, 46690), (690, 45472), (696, 45080), (735, 42688), (736, 42630), (784, 40020), (805, 38976), (812, 38640), (840, 37352), (870, 36064), (920, 34104), (928, 33810), (960, 32683), (966, 32480), (980, 32016), (1015, 30912), (1104, 28420), (1120, 28014), (1127, 27840), (1160, 27048), (1176, 26680), (1218, 25760), (1288, 24360), (1334, 23520), (1344, 23345), (1380, 22736), (1392, 22540), (1421, 22080), (1470, 21344), (1472, 21315), (1568, 20010), (1610, 19488), (1624, 19320), (1680, 18676), (1740, 18032), (1840, 17052), (1856, 16905), (1932, 16240), (1960, 16008), (2001, 15680), (2030, 15456), (2208, 14210), (2240, 14007), (2254, 13920), (2320, 13524), (2352, 13340), (2415, 12992), (2436, 12880), (2576, 12180), (2668, 11760), (2760, 11368), (2784, 11270), (2842, 11040), (2940, 10672), (3045, 10304), (3136, 10005), (3220, 9744), (3248, 9660), (3335, 9408), (3360, 9338), (3381, 9280), (3480, 9016), (3680, 8526), (3864, 8120), (3920, 8004), (4002, 7840), (4060, 7728), (4263, 7360), (4416, 7105), (4508, 6960), (4640, 6762), (4669, 6720), (4704, 6670), (4830, 6496), (4872, 6440), (5152, 6090), (5336, 5880), (5520, 5684), (5568, 5635)]