261051040

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:614

約数の個数: 96

約数和(自身を含む): 644474880

約数和(自身を除く): 383423840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 127, 145, 160, 232, 254, 290, 443, 464, 508, 580, 635, 886, 928, 1016, 1160, 1270, 1772, 2032, 2215, 2320, 2540, 3544, 3683, 4064, 4430, 4640, 5080, 7088, 7366, 8860, 10160, 12847, 14176, 14732, 17720, 18415, 20320, 25694, 29464, 35440, 36830, 51388, 56261, 58928, 64235, 70880, 73660, 102776, 112522, 117856, 128470, 147320, 205552, 225044, 256940, 281305, 294640, 411104, 450088, 513880, 562610, 589280, 900176, 1027760, 1125220, 1631569, 1800352, 2055520, 2250440, 3263138, 4500880, 6526276, 8157845, 9001760, 13052552, 16315690, 26105104, 32631380, 52210208, 65262760, 130525520, 261051040]

約数ペア:

[(1, 261051040), (2, 130525520), (4, 65262760), (5, 52210208), (8, 32631380), (10, 26105104), (16, 16315690), (20, 13052552), (29, 9001760), (32, 8157845), (40, 6526276), (58, 4500880), (80, 3263138), (116, 2250440), (127, 2055520), (145, 1800352), (160, 1631569), (232, 1125220), (254, 1027760), (290, 900176), (443, 589280), (464, 562610), (508, 513880), (580, 450088), (635, 411104), (886, 294640), (928, 281305), (1016, 256940), (1160, 225044), (1270, 205552), (1772, 147320), (2032, 128470), (2215, 117856), (2320, 112522), (2540, 102776), (3544, 73660), (3683, 70880), (4064, 64235), (4430, 58928), (4640, 56261), (5080, 51388), (7088, 36830), (7366, 35440), (8860, 29464), (10160, 25694), (12847, 20320), (14176, 18415), (14732, 17720)]