15721710720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^3\times {\mathrm{673}}^1$

素因数の和:764

約数の個数: 256

約数和(自身を含む): 52468473600

約数和(自身を除く): 36746762880

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, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 529, 552, 640, 673, 690, 736, 920, 960, 1058, 1104, 1346, 1380, 1472, 1587, 1840, 1920, 2019, 2116, 2208, 2645, 2692, 2760, 2944, 3174, 3365, 3680, 4038, 4232, 4416, 5290, 5384, 5520, 6348, 6730, 7360, 7935, 8076, 8464, 8832, 10095, 10580, 10768, 11040, 12167, 12696, 13460, 14720, 15479, 15870, 16152, 16928, 20190, 21160, 21536, 22080, 24334, 25392, 26920, 30958, 31740, 32304, 33856, 36501, 40380, 42320, 43072, 44160, 46437, 48668, 50784, 53840, 60835, 61916, 63480, 64608, 67712, 73002, 77395, 80760, 84640, 86144, 92874, 97336, 101568, 107680, 121670, 123832, 126960, 129216, 146004, 154790, 161520, 169280, 182505, 185748, 194672, 203136, 215360, 232185, 243340, 247664, 253920, 258432, 292008, 309580, 323040, 338560, 356017, 365010, 371496, 389344, 430720, 464370, 486680, 495328, 507840, 584016, 619160, 646080, 712034, 730020, 742992, 778688, 928740, 973360, 990656, 1015680, 1068051, 1168032, 1238320, 1292160, 1424068, 1460040, 1485984, 1557376, 1780085, 1857480, 1946720, 1981312, 2136102, 2336064, 2476640, 2848136, 2920080, 2971968, 3560170, 3714960, 3893440, 4272204, 4672128, 4953280, 5340255, 5696272, 5840160, 5943936, 7120340, 7429920, 7786880, 8188391, 8544408, 9906560, 10680510, 11392544, 11680320, 14240680, 14859840, 16376782, 17088816, 21361020, 22785088, 23360640, 24565173, 28481360, 29719680, 32753564, 34177632, 40941955, 42722040, 45570176, 49130346, 56962720, 65507128, 68355264, 81883910, 85444080, 98260692, 113925440, 122825865, 131014256, 136710528, 163767820, 170888160, 196521384, 227850880, 245651730, 262028512, 327535640, 341776320, 393042768, 491303460, 524057024, 655071280, 683552640, 786085536, 982606920, 1048114048, 1310142560, 1572171072, 1965213840, 2620285120, 3144342144, 3930427680, 5240570240, 7860855360, 15721710720]

約数ペア:

[(1, 15721710720), (2, 7860855360), (3, 5240570240), (4, 3930427680), (5, 3144342144), (6, 2620285120), (8, 1965213840), (10, 1572171072), (12, 1310142560), (15, 1048114048), (16, 982606920), (20, 786085536), (23, 683552640), (24, 655071280), (30, 524057024), (32, 491303460), (40, 393042768), (46, 341776320), (48, 327535640), (60, 262028512), (64, 245651730), (69, 227850880), (80, 196521384), (92, 170888160), (96, 163767820), (115, 136710528), (120, 131014256), (128, 122825865), (138, 113925440), (160, 98260692), (184, 85444080), (192, 81883910), (230, 68355264), (240, 65507128), (276, 56962720), (320, 49130346), (345, 45570176), (368, 42722040), (384, 40941955), (460, 34177632), (480, 32753564), (529, 29719680), (552, 28481360), (640, 24565173), (673, 23360640), (690, 22785088), (736, 21361020), (920, 17088816), (960, 16376782), (1058, 14859840), (1104, 14240680), (1346, 11680320), (1380, 11392544), (1472, 10680510), (1587, 9906560), (1840, 8544408), (1920, 8188391), (2019, 7786880), (2116, 7429920), (2208, 7120340), (2645, 5943936), (2692, 5840160), (2760, 5696272), (2944, 5340255), (3174, 4953280), (3365, 4672128), (3680, 4272204), (4038, 3893440), (4232, 3714960), (4416, 3560170), (5290, 2971968), (5384, 2920080), (5520, 2848136), (6348, 2476640), (6730, 2336064), (7360, 2136102), (7935, 1981312), (8076, 1946720), (8464, 1857480), (8832, 1780085), (10095, 1557376), (10580, 1485984), (10768, 1460040), (11040, 1424068), (12167, 1292160), (12696, 1238320), (13460, 1168032), (14720, 1068051), (15479, 1015680), (15870, 990656), (16152, 973360), (16928, 928740), (20190, 778688), (21160, 742992), (21536, 730020), (22080, 712034), (24334, 646080), (25392, 619160), (26920, 584016), (30958, 507840), (31740, 495328), (32304, 486680), (33856, 464370), (36501, 430720), (40380, 389344), (42320, 371496), (43072, 365010), (44160, 356017), (46437, 338560), (48668, 323040), (50784, 309580), (53840, 292008), (60835, 258432), (61916, 253920), (63480, 247664), (64608, 243340), (67712, 232185), (73002, 215360), (77395, 203136), (80760, 194672), (84640, 185748), (86144, 182505), (92874, 169280), (97336, 161520), (101568, 154790), (107680, 146004), (121670, 129216), (123832, 126960)]