1298263920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{284707}}^1$

素因数の和:284742

約数の個数: 80

約数和(自身を含む): 4236455040

約数和(自身を除く): 2938191120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 284707, 569414, 854121, 1138828, 1423535, 1708242, 2277656, 2847070, 3416484, 4270605, 4555312, 5409433, 5694140, 6832968, 8541210, 10818866, 11388280, 13665936, 16228299, 17082420, 21637732, 22776560, 27047165, 32456598, 34164840, 43275464, 54094330, 64913196, 68329680, 81141495, 86550928, 108188660, 129826392, 162282990, 216377320, 259652784, 324565980, 432754640, 649131960, 1298263920]

約数ペア:

[(1, 1298263920), (2, 649131960), (3, 432754640), (4, 324565980), (5, 259652784), (6, 216377320), (8, 162282990), (10, 129826392), (12, 108188660), (15, 86550928), (16, 81141495), (19, 68329680), (20, 64913196), (24, 54094330), (30, 43275464), (38, 34164840), (40, 32456598), (48, 27047165), (57, 22776560), (60, 21637732), (76, 17082420), (80, 16228299), (95, 13665936), (114, 11388280), (120, 10818866), (152, 8541210), (190, 6832968), (228, 5694140), (240, 5409433), (285, 4555312), (304, 4270605), (380, 3416484), (456, 2847070), (570, 2277656), (760, 1708242), (912, 1423535), (1140, 1138828), (1520, 854121), (2280, 569414), (4560, 284707)]