80238720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 192

約数和(自身を含む): 270748800

約数和(自身を除く): 190510080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 79, 80, 92, 96, 115, 120, 128, 138, 158, 160, 184, 192, 230, 237, 240, 276, 316, 320, 345, 368, 384, 395, 460, 474, 480, 529, 552, 632, 640, 690, 736, 790, 920, 948, 960, 1058, 1104, 1185, 1264, 1380, 1472, 1580, 1587, 1817, 1840, 1896, 1920, 2116, 2208, 2370, 2528, 2645, 2760, 2944, 3160, 3174, 3634, 3680, 3792, 4232, 4416, 4740, 5056, 5290, 5451, 5520, 6320, 6348, 7268, 7360, 7584, 7935, 8464, 8832, 9085, 9480, 10112, 10580, 10902, 11040, 12640, 12696, 14536, 14720, 15168, 15870, 16928, 18170, 18960, 21160, 21804, 22080, 25280, 25392, 27255, 29072, 30336, 31740, 33856, 36340, 37920, 41791, 42320, 43608, 44160, 50560, 50784, 54510, 58144, 63480, 67712, 72680, 75840, 83582, 84640, 87216, 101568, 109020, 116288, 125373, 126960, 145360, 151680, 167164, 169280, 174432, 203136, 208955, 218040, 232576, 250746, 253920, 290720, 334328, 338560, 348864, 417910, 436080, 501492, 507840, 581440, 626865, 668656, 697728, 835820, 872160, 1002984, 1015680, 1162880, 1253730, 1337312, 1671640, 1744320, 2005968, 2507460, 2674624, 3343280, 3488640, 4011936, 5014920, 5349248, 6686560, 8023872, 10029840, 13373120, 16047744, 20059680, 26746240, 40119360, 80238720]

約数ペア:

[(1, 80238720), (2, 40119360), (3, 26746240), (4, 20059680), (5, 16047744), (6, 13373120), (8, 10029840), (10, 8023872), (12, 6686560), (15, 5349248), (16, 5014920), (20, 4011936), (23, 3488640), (24, 3343280), (30, 2674624), (32, 2507460), (40, 2005968), (46, 1744320), (48, 1671640), (60, 1337312), (64, 1253730), (69, 1162880), (79, 1015680), (80, 1002984), (92, 872160), (96, 835820), (115, 697728), (120, 668656), (128, 626865), (138, 581440), (158, 507840), (160, 501492), (184, 436080), (192, 417910), (230, 348864), (237, 338560), (240, 334328), (276, 290720), (316, 253920), (320, 250746), (345, 232576), (368, 218040), (384, 208955), (395, 203136), (460, 174432), (474, 169280), (480, 167164), (529, 151680), (552, 145360), (632, 126960), (640, 125373), (690, 116288), (736, 109020), (790, 101568), (920, 87216), (948, 84640), (960, 83582), (1058, 75840), (1104, 72680), (1185, 67712), (1264, 63480), (1380, 58144), (1472, 54510), (1580, 50784), (1587, 50560), (1817, 44160), (1840, 43608), (1896, 42320), (1920, 41791), (2116, 37920), (2208, 36340), (2370, 33856), (2528, 31740), (2645, 30336), (2760, 29072), (2944, 27255), (3160, 25392), (3174, 25280), (3634, 22080), (3680, 21804), (3792, 21160), (4232, 18960), (4416, 18170), (4740, 16928), (5056, 15870), (5290, 15168), (5451, 14720), (5520, 14536), (6320, 12696), (6348, 12640), (7268, 11040), (7360, 10902), (7584, 10580), (7935, 10112), (8464, 9480), (8832, 9085)]