245265280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:792

約数の個数: 128

約数和(自身を含む): 647740800

約数和(自身を除く): 402475520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 205, 208, 260, 320, 328, 410, 416, 520, 533, 640, 656, 719, 820, 832, 1040, 1066, 1312, 1438, 1640, 1664, 2080, 2132, 2624, 2665, 2876, 3280, 3595, 4160, 4264, 5248, 5330, 5752, 6560, 7190, 8320, 8528, 9347, 10660, 11504, 13120, 14380, 17056, 18694, 21320, 23008, 26240, 28760, 29479, 34112, 37388, 42640, 46016, 46735, 57520, 58958, 68224, 74776, 85280, 92032, 93470, 115040, 117916, 147395, 149552, 170560, 186940, 230080, 235832, 294790, 299104, 341120, 373880, 383227, 460160, 471664, 589580, 598208, 747760, 766454, 943328, 1179160, 1196416, 1495520, 1532908, 1886656, 1916135, 2358320, 2991040, 3065816, 3773312, 3832270, 4716640, 5982080, 6131632, 7664540, 9433280, 12263264, 15329080, 18866560, 24526528, 30658160, 49053056, 61316320, 122632640, 245265280]

約数ペア:

[(1, 245265280), (2, 122632640), (4, 61316320), (5, 49053056), (8, 30658160), (10, 24526528), (13, 18866560), (16, 15329080), (20, 12263264), (26, 9433280), (32, 7664540), (40, 6131632), (41, 5982080), (52, 4716640), (64, 3832270), (65, 3773312), (80, 3065816), (82, 2991040), (104, 2358320), (128, 1916135), (130, 1886656), (160, 1532908), (164, 1495520), (205, 1196416), (208, 1179160), (260, 943328), (320, 766454), (328, 747760), (410, 598208), (416, 589580), (520, 471664), (533, 460160), (640, 383227), (656, 373880), (719, 341120), (820, 299104), (832, 294790), (1040, 235832), (1066, 230080), (1312, 186940), (1438, 170560), (1640, 149552), (1664, 147395), (2080, 117916), (2132, 115040), (2624, 93470), (2665, 92032), (2876, 85280), (3280, 74776), (3595, 68224), (4160, 58958), (4264, 57520), (5248, 46735), (5330, 46016), (5752, 42640), (6560, 37388), (7190, 34112), (8320, 29479), (8528, 28760), (9347, 26240), (10660, 23008), (11504, 21320), (13120, 18694), (14380, 17056)]