15985920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 53569152

約数和(自身を除く): 37583232

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, 181, 184, 192, 230, 240, 256, 276, 320, 345, 362, 368, 384, 460, 480, 543, 552, 640, 690, 724, 736, 768, 905, 920, 960, 1086, 1104, 1280, 1380, 1448, 1472, 1810, 1840, 1920, 2172, 2208, 2715, 2760, 2896, 2944, 3620, 3680, 3840, 4163, 4344, 4416, 5430, 5520, 5792, 5888, 7240, 7360, 8326, 8688, 8832, 10860, 11040, 11584, 12489, 14480, 14720, 16652, 17376, 17664, 20815, 21720, 22080, 23168, 24978, 28960, 29440, 33304, 34752, 41630, 43440, 44160, 46336, 49956, 57920, 62445, 66608, 69504, 83260, 86880, 88320, 99912, 115840, 124890, 133216, 139008, 166520, 173760, 199824, 231680, 249780, 266432, 333040, 347520, 399648, 499560, 532864, 666080, 695040, 799296, 999120, 1065728, 1332160, 1598592, 1998240, 2664320, 3197184, 3996480, 5328640, 7992960, 15985920]

約数ペア:

[(1, 15985920), (2, 7992960), (3, 5328640), (4, 3996480), (5, 3197184), (6, 2664320), (8, 1998240), (10, 1598592), (12, 1332160), (15, 1065728), (16, 999120), (20, 799296), (23, 695040), (24, 666080), (30, 532864), (32, 499560), (40, 399648), (46, 347520), (48, 333040), (60, 266432), (64, 249780), (69, 231680), (80, 199824), (92, 173760), (96, 166520), (115, 139008), (120, 133216), (128, 124890), (138, 115840), (160, 99912), (181, 88320), (184, 86880), (192, 83260), (230, 69504), (240, 66608), (256, 62445), (276, 57920), (320, 49956), (345, 46336), (362, 44160), (368, 43440), (384, 41630), (460, 34752), (480, 33304), (543, 29440), (552, 28960), (640, 24978), (690, 23168), (724, 22080), (736, 21720), (768, 20815), (905, 17664), (920, 17376), (960, 16652), (1086, 14720), (1104, 14480), (1280, 12489), (1380, 11584), (1448, 11040), (1472, 10860), (1810, 8832), (1840, 8688), (1920, 8326), (2172, 7360), (2208, 7240), (2715, 5888), (2760, 5792), (2896, 5520), (2944, 5430), (3620, 4416), (3680, 4344), (3840, 4163)]