31828320

素因数分解:

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

素因数の和:106

約数の個数: 216

約数和(自身を含む): 117110448

約数和(自身を除く): 85282128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 31, 32, 36, 40, 45, 46, 48, 60, 62, 69, 72, 80, 90, 92, 93, 96, 115, 120, 124, 138, 144, 155, 160, 180, 184, 186, 207, 230, 240, 248, 276, 279, 288, 310, 345, 360, 368, 372, 414, 460, 465, 480, 496, 552, 558, 620, 690, 713, 720, 736, 744, 828, 920, 930, 961, 992, 1035, 1104, 1116, 1240, 1380, 1395, 1426, 1440, 1488, 1656, 1840, 1860, 1922, 2070, 2139, 2208, 2232, 2480, 2760, 2790, 2852, 2883, 2976, 3312, 3565, 3680, 3720, 3844, 4140, 4278, 4464, 4805, 4960, 5520, 5580, 5704, 5766, 6417, 6624, 7130, 7440, 7688, 8280, 8556, 8649, 8928, 9610, 10695, 11040, 11160, 11408, 11532, 12834, 14260, 14415, 14880, 15376, 16560, 17112, 17298, 19220, 21390, 22103, 22320, 22816, 23064, 25668, 28520, 28830, 30752, 32085, 33120, 34224, 34596, 38440, 42780, 43245, 44206, 44640, 46128, 51336, 57040, 57660, 64170, 66309, 68448, 69192, 76880, 85560, 86490, 88412, 92256, 102672, 110515, 114080, 115320, 128340, 132618, 138384, 153760, 171120, 172980, 176824, 198927, 205344, 221030, 230640, 256680, 265236, 276768, 331545, 342240, 345960, 353648, 397854, 442060, 461280, 513360, 530472, 663090, 691920, 707296, 795708, 884120, 994635, 1026720, 1060944, 1326180, 1383840, 1591416, 1768240, 1989270, 2121888, 2652360, 3182832, 3536480, 3978540, 5304720, 6365664, 7957080, 10609440, 15914160, 31828320]

約数ペア:

[(1, 31828320), (2, 15914160), (3, 10609440), (4, 7957080), (5, 6365664), (6, 5304720), (8, 3978540), (9, 3536480), (10, 3182832), (12, 2652360), (15, 2121888), (16, 1989270), (18, 1768240), (20, 1591416), (23, 1383840), (24, 1326180), (30, 1060944), (31, 1026720), (32, 994635), (36, 884120), (40, 795708), (45, 707296), (46, 691920), (48, 663090), (60, 530472), (62, 513360), (69, 461280), (72, 442060), (80, 397854), (90, 353648), (92, 345960), (93, 342240), (96, 331545), (115, 276768), (120, 265236), (124, 256680), (138, 230640), (144, 221030), (155, 205344), (160, 198927), (180, 176824), (184, 172980), (186, 171120), (207, 153760), (230, 138384), (240, 132618), (248, 128340), (276, 115320), (279, 114080), (288, 110515), (310, 102672), (345, 92256), (360, 88412), (368, 86490), (372, 85560), (414, 76880), (460, 69192), (465, 68448), (480, 66309), (496, 64170), (552, 57660), (558, 57040), (620, 51336), (690, 46128), (713, 44640), (720, 44206), (736, 43245), (744, 42780), (828, 38440), (920, 34596), (930, 34224), (961, 33120), (992, 32085), (1035, 30752), (1104, 28830), (1116, 28520), (1240, 25668), (1380, 23064), (1395, 22816), (1426, 22320), (1440, 22103), (1488, 21390), (1656, 19220), (1840, 17298), (1860, 17112), (1922, 16560), (2070, 15376), (2139, 14880), (2208, 14415), (2232, 14260), (2480, 12834), (2760, 11532), (2790, 11408), (2852, 11160), (2883, 11040), (2976, 10695), (3312, 9610), (3565, 8928), (3680, 8649), (3720, 8556), (3844, 8280), (4140, 7688), (4278, 7440), (4464, 7130), (4805, 6624), (4960, 6417), (5520, 5766), (5580, 5704)]