1640813040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{78583}}^1$

素因数の和:78631

約数の個数: 120

約数和(自身を含む): 5700483360

約数和(自身を除く): 4059670320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1740, 2088, 2320, 2610, 3480, 4176, 5220, 6960, 10440, 20880, 78583, 157166, 235749, 314332, 392915, 471498, 628664, 707247, 785830, 942996, 1178745, 1257328, 1414494, 1571660, 1885992, 2278907, 2357490, 2828988, 3143320, 3536235, 3771984, 4557814, 4714980, 5657976, 6286640, 6836721, 7072470, 9115628, 9429960, 11315952, 11394535, 13673442, 14144940, 18231256, 18859920, 20510163, 22789070, 27346884, 28289880, 34183605, 36462512, 41020326, 45578140, 54693768, 56579760, 68367210, 82040652, 91156280, 102550815, 109387536, 136734420, 164081304, 182312560, 205101630, 273468840, 328162608, 410203260, 546937680, 820406520, 1640813040]

約数ペア:

[(1, 1640813040), (2, 820406520), (3, 546937680), (4, 410203260), (5, 328162608), (6, 273468840), (8, 205101630), (9, 182312560), (10, 164081304), (12, 136734420), (15, 109387536), (16, 102550815), (18, 91156280), (20, 82040652), (24, 68367210), (29, 56579760), (30, 54693768), (36, 45578140), (40, 41020326), (45, 36462512), (48, 34183605), (58, 28289880), (60, 27346884), (72, 22789070), (80, 20510163), (87, 18859920), (90, 18231256), (116, 14144940), (120, 13673442), (144, 11394535), (145, 11315952), (174, 9429960), (180, 9115628), (232, 7072470), (240, 6836721), (261, 6286640), (290, 5657976), (348, 4714980), (360, 4557814), (435, 3771984), (464, 3536235), (522, 3143320), (580, 2828988), (696, 2357490), (720, 2278907), (870, 1885992), (1044, 1571660), (1160, 1414494), (1305, 1257328), (1392, 1178745), (1740, 942996), (2088, 785830), (2320, 707247), (2610, 628664), (3480, 471498), (4176, 392915), (5220, 314332), (6960, 235749), (10440, 157166), (20880, 78583)]