42760640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:590

約数の個数: 112

約数和(自身を含む): 115641120

約数和(自身を除く): 72880480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 541, 608, 760, 832, 988, 1040, 1082, 1216, 1235, 1520, 1976, 2080, 2164, 2470, 2705, 3040, 3952, 4160, 4328, 4940, 5410, 6080, 7033, 7904, 8656, 9880, 10279, 10820, 14066, 15808, 17312, 19760, 20558, 21640, 28132, 34624, 35165, 39520, 41116, 43280, 51395, 56264, 70330, 79040, 82232, 86560, 102790, 112528, 133627, 140660, 164464, 173120, 205580, 225056, 267254, 281320, 328928, 411160, 450112, 534508, 562640, 657856, 668135, 822320, 1069016, 1125280, 1336270, 1644640, 2138032, 2250560, 2672540, 3289280, 4276064, 5345080, 8552128, 10690160, 21380320, 42760640]

約数ペア:

[(1, 42760640), (2, 21380320), (4, 10690160), (5, 8552128), (8, 5345080), (10, 4276064), (13, 3289280), (16, 2672540), (19, 2250560), (20, 2138032), (26, 1644640), (32, 1336270), (38, 1125280), (40, 1069016), (52, 822320), (64, 668135), (65, 657856), (76, 562640), (80, 534508), (95, 450112), (104, 411160), (130, 328928), (152, 281320), (160, 267254), (190, 225056), (208, 205580), (247, 173120), (260, 164464), (304, 140660), (320, 133627), (380, 112528), (416, 102790), (494, 86560), (520, 82232), (541, 79040), (608, 70330), (760, 56264), (832, 51395), (988, 43280), (1040, 41116), (1082, 39520), (1216, 35165), (1235, 34624), (1520, 28132), (1976, 21640), (2080, 20558), (2164, 19760), (2470, 17312), (2705, 15808), (3040, 14066), (3952, 10820), (4160, 10279), (4328, 9880), (4940, 8656), (5410, 7904), (6080, 7033)]