78756860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 205941120

約数和(自身を除く): 127184260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 109, 130, 140, 182, 218, 260, 364, 397, 436, 455, 545, 763, 794, 910, 1090, 1417, 1526, 1588, 1820, 1985, 2180, 2779, 2834, 3052, 3815, 3970, 5161, 5558, 5668, 7085, 7630, 7940, 9919, 10322, 11116, 13895, 14170, 15260, 19838, 20644, 25805, 27790, 28340, 36127, 39676, 43273, 49595, 51610, 55580, 72254, 86546, 99190, 103220, 144508, 173092, 180635, 198380, 216365, 302911, 361270, 432730, 562549, 605822, 722540, 865460, 1125098, 1211644, 1514555, 2250196, 2812745, 3029110, 3937843, 5625490, 6058220, 7875686, 11250980, 15751372, 19689215, 39378430, 78756860]

約数ペア:

[(1, 78756860), (2, 39378430), (4, 19689215), (5, 15751372), (7, 11250980), (10, 7875686), (13, 6058220), (14, 5625490), (20, 3937843), (26, 3029110), (28, 2812745), (35, 2250196), (52, 1514555), (65, 1211644), (70, 1125098), (91, 865460), (109, 722540), (130, 605822), (140, 562549), (182, 432730), (218, 361270), (260, 302911), (364, 216365), (397, 198380), (436, 180635), (455, 173092), (545, 144508), (763, 103220), (794, 99190), (910, 86546), (1090, 72254), (1417, 55580), (1526, 51610), (1588, 49595), (1820, 43273), (1985, 39676), (2180, 36127), (2779, 28340), (2834, 27790), (3052, 25805), (3815, 20644), (3970, 19838), (5161, 15260), (5558, 14170), (5668, 13895), (7085, 11116), (7630, 10322), (7940, 9919)]