31486080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 192

約数和(自身を含む): 108299520

約数和(自身を除く): 76813440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 60, 62, 64, 69, 80, 92, 93, 96, 115, 120, 124, 128, 138, 155, 160, 184, 186, 192, 230, 240, 248, 276, 310, 320, 345, 368, 372, 384, 460, 465, 480, 496, 529, 552, 620, 640, 690, 713, 736, 744, 920, 930, 960, 992, 1058, 1104, 1240, 1380, 1426, 1472, 1488, 1587, 1840, 1860, 1920, 1984, 2116, 2139, 2208, 2480, 2645, 2760, 2852, 2944, 2976, 3174, 3565, 3680, 3720, 3968, 4232, 4278, 4416, 4960, 5290, 5520, 5704, 5952, 6348, 7130, 7360, 7440, 7935, 8464, 8556, 8832, 9920, 10580, 10695, 11040, 11408, 11904, 12696, 14260, 14720, 14880, 15870, 16399, 16928, 17112, 19840, 21160, 21390, 22080, 22816, 25392, 28520, 29760, 31740, 32798, 33856, 34224, 42320, 42780, 44160, 45632, 49197, 50784, 57040, 59520, 63480, 65596, 67712, 68448, 81995, 84640, 85560, 91264, 98394, 101568, 114080, 126960, 131192, 136896, 163990, 169280, 171120, 196788, 203136, 228160, 245985, 253920, 262384, 273792, 327980, 338560, 342240, 393576, 456320, 491970, 507840, 524768, 655960, 684480, 787152, 983940, 1015680, 1049536, 1311920, 1368960, 1574304, 1967880, 2099072, 2623840, 3148608, 3935760, 5247680, 6297216, 7871520, 10495360, 15743040, 31486080]

約数ペア:

[(1, 31486080), (2, 15743040), (3, 10495360), (4, 7871520), (5, 6297216), (6, 5247680), (8, 3935760), (10, 3148608), (12, 2623840), (15, 2099072), (16, 1967880), (20, 1574304), (23, 1368960), (24, 1311920), (30, 1049536), (31, 1015680), (32, 983940), (40, 787152), (46, 684480), (48, 655960), (60, 524768), (62, 507840), (64, 491970), (69, 456320), (80, 393576), (92, 342240), (93, 338560), (96, 327980), (115, 273792), (120, 262384), (124, 253920), (128, 245985), (138, 228160), (155, 203136), (160, 196788), (184, 171120), (186, 169280), (192, 163990), (230, 136896), (240, 131192), (248, 126960), (276, 114080), (310, 101568), (320, 98394), (345, 91264), (368, 85560), (372, 84640), (384, 81995), (460, 68448), (465, 67712), (480, 65596), (496, 63480), (529, 59520), (552, 57040), (620, 50784), (640, 49197), (690, 45632), (713, 44160), (736, 42780), (744, 42320), (920, 34224), (930, 33856), (960, 32798), (992, 31740), (1058, 29760), (1104, 28520), (1240, 25392), (1380, 22816), (1426, 22080), (1472, 21390), (1488, 21160), (1587, 19840), (1840, 17112), (1860, 16928), (1920, 16399), (1984, 15870), (2116, 14880), (2139, 14720), (2208, 14260), (2480, 12696), (2645, 11904), (2760, 11408), (2852, 11040), (2944, 10695), (2976, 10580), (3174, 9920), (3565, 8832), (3680, 8556), (3720, 8464), (3968, 7935), (4232, 7440), (4278, 7360), (4416, 7130), (4960, 6348), (5290, 5952), (5520, 5704)]