905603840

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1682

約数の個数: 144

約数和(自身を含む): 2384121600

約数和(自身を除く): 1478517760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 230, 256, 304, 320, 368, 380, 437, 460, 608, 640, 736, 760, 874, 920, 1216, 1280, 1472, 1520, 1619, 1748, 1840, 2185, 2432, 2944, 3040, 3238, 3496, 3680, 4370, 4864, 5888, 6080, 6476, 6992, 7360, 8095, 8740, 12160, 12952, 13984, 14720, 16190, 17480, 24320, 25904, 27968, 29440, 30761, 32380, 34960, 37237, 51808, 55936, 61522, 64760, 69920, 74474, 103616, 111872, 123044, 129520, 139840, 148948, 153805, 186185, 207232, 246088, 259040, 279680, 297896, 307610, 372370, 414464, 492176, 518080, 559360, 595792, 615220, 707503, 744740, 984352, 1036160, 1191584, 1230440, 1415006, 1489480, 1968704, 2072320, 2383168, 2460880, 2830012, 2978960, 3537515, 3937408, 4766336, 4921760, 5660024, 5957920, 7075030, 7874816, 9532672, 9843520, 11320048, 11915840, 14150060, 19687040, 22640096, 23831680, 28300120, 39374080, 45280192, 47663360, 56600240, 90560384, 113200480, 181120768, 226400960, 452801920, 905603840]

約数ペア:

[(1, 905603840), (2, 452801920), (4, 226400960), (5, 181120768), (8, 113200480), (10, 90560384), (16, 56600240), (19, 47663360), (20, 45280192), (23, 39374080), (32, 28300120), (38, 23831680), (40, 22640096), (46, 19687040), (64, 14150060), (76, 11915840), (80, 11320048), (92, 9843520), (95, 9532672), (115, 7874816), (128, 7075030), (152, 5957920), (160, 5660024), (184, 4921760), (190, 4766336), (230, 3937408), (256, 3537515), (304, 2978960), (320, 2830012), (368, 2460880), (380, 2383168), (437, 2072320), (460, 1968704), (608, 1489480), (640, 1415006), (736, 1230440), (760, 1191584), (874, 1036160), (920, 984352), (1216, 744740), (1280, 707503), (1472, 615220), (1520, 595792), (1619, 559360), (1748, 518080), (1840, 492176), (2185, 414464), (2432, 372370), (2944, 307610), (3040, 297896), (3238, 279680), (3496, 259040), (3680, 246088), (4370, 207232), (4864, 186185), (5888, 153805), (6080, 148948), (6476, 139840), (6992, 129520), (7360, 123044), (8095, 111872), (8740, 103616), (12160, 74474), (12952, 69920), (13984, 64760), (14720, 61522), (16190, 55936), (17480, 51808), (24320, 37237), (25904, 34960), (27968, 32380), (29440, 30761)]