1220490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 3234816

約数和(自身を除く): 2014326

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 191, 213, 355, 382, 426, 573, 639, 710, 955, 1065, 1146, 1278, 1719, 1910, 2130, 2865, 3195, 3438, 5730, 6390, 8595, 13561, 17190, 27122, 40683, 67805, 81366, 122049, 135610, 203415, 244098, 406830, 610245, 1220490]

約数ペア:

[(1, 1220490), (2, 610245), (3, 406830), (5, 244098), (6, 203415), (9, 135610), (10, 122049), (15, 81366), (18, 67805), (30, 40683), (45, 27122), (71, 17190), (90, 13561), (142, 8595), (191, 6390), (213, 5730), (355, 3438), (382, 3195), (426, 2865), (573, 2130), (639, 1910), (710, 1719), (955, 1278), (1065, 1146)]