291906160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:531

約数の個数: 160

約数和(自身を含む): 845695872

約数和(自身を除く): 553789712

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 101, 104, 112, 130, 140, 182, 202, 208, 260, 280, 364, 397, 404, 455, 505, 520, 560, 707, 728, 794, 808, 910, 1010, 1040, 1313, 1414, 1456, 1588, 1616, 1820, 1985, 2020, 2626, 2779, 2828, 3176, 3535, 3640, 3970, 4040, 5161, 5252, 5558, 5656, 6352, 6565, 7070, 7280, 7940, 8080, 9191, 10322, 10504, 11116, 11312, 13130, 13895, 14140, 15880, 18382, 20644, 21008, 22232, 25805, 26260, 27790, 28280, 31760, 36127, 36764, 40097, 41288, 44464, 45955, 51610, 52520, 55580, 56560, 72254, 73528, 80194, 82576, 91910, 103220, 105040, 111160, 144508, 147056, 160388, 180635, 183820, 200485, 206440, 222320, 280679, 289016, 320776, 361270, 367640, 400970, 412880, 521261, 561358, 578032, 641552, 722540, 735280, 801940, 1042522, 1122716, 1403395, 1445080, 1603880, 2085044, 2245432, 2606305, 2806790, 2890160, 3207760, 3648827, 4170088, 4490864, 5212610, 5613580, 7297654, 8340176, 10425220, 11227160, 14595308, 18244135, 20850440, 22454320, 29190616, 36488270, 41700880, 58381232, 72976540, 145953080, 291906160]

約数ペア:

[(1, 291906160), (2, 145953080), (4, 72976540), (5, 58381232), (7, 41700880), (8, 36488270), (10, 29190616), (13, 22454320), (14, 20850440), (16, 18244135), (20, 14595308), (26, 11227160), (28, 10425220), (35, 8340176), (40, 7297654), (52, 5613580), (56, 5212610), (65, 4490864), (70, 4170088), (80, 3648827), (91, 3207760), (101, 2890160), (104, 2806790), (112, 2606305), (130, 2245432), (140, 2085044), (182, 1603880), (202, 1445080), (208, 1403395), (260, 1122716), (280, 1042522), (364, 801940), (397, 735280), (404, 722540), (455, 641552), (505, 578032), (520, 561358), (560, 521261), (707, 412880), (728, 400970), (794, 367640), (808, 361270), (910, 320776), (1010, 289016), (1040, 280679), (1313, 222320), (1414, 206440), (1456, 200485), (1588, 183820), (1616, 180635), (1820, 160388), (1985, 147056), (2020, 144508), (2626, 111160), (2779, 105040), (2828, 103220), (3176, 91910), (3535, 82576), (3640, 80194), (3970, 73528), (4040, 72254), (5161, 56560), (5252, 55580), (5558, 52520), (5656, 51610), (6352, 45955), (6565, 44464), (7070, 41288), (7280, 40097), (7940, 36764), (8080, 36127), (9191, 31760), (10322, 28280), (10504, 27790), (11116, 26260), (11312, 25805), (13130, 22232), (13895, 21008), (14140, 20644), (15880, 18382)]