1860990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 4898880

約数和(自身を除く): 3037890

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 41, 51, 82, 85, 89, 102, 123, 170, 178, 205, 246, 255, 267, 410, 445, 510, 534, 615, 697, 890, 1230, 1335, 1394, 1513, 2091, 2670, 3026, 3485, 3649, 4182, 4539, 6970, 7298, 7565, 9078, 10455, 10947, 15130, 18245, 20910, 21894, 22695, 36490, 45390, 54735, 62033, 109470, 124066, 186099, 310165, 372198, 620330, 930495, 1860990]

約数ペア:

[(1, 1860990), (2, 930495), (3, 620330), (5, 372198), (6, 310165), (10, 186099), (15, 124066), (17, 109470), (30, 62033), (34, 54735), (41, 45390), (51, 36490), (82, 22695), (85, 21894), (89, 20910), (102, 18245), (123, 15130), (170, 10947), (178, 10455), (205, 9078), (246, 7565), (255, 7298), (267, 6970), (410, 4539), (445, 4182), (510, 3649), (534, 3485), (615, 3026), (697, 2670), (890, 2091), (1230, 1513), (1335, 1394)]