129250980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1439}}^1$

素因数の和:1953

約数の個数: 72

約数和(自身を含む): 393120000

約数和(自身を除く): 263869020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1439, 1497, 1996, 2495, 2878, 2994, 4317, 4491, 4990, 5756, 5988, 7195, 7485, 8634, 8982, 9980, 12951, 14390, 14970, 17268, 17964, 21585, 22455, 25902, 28780, 29940, 43170, 44910, 51804, 64755, 86340, 89820, 129510, 259020, 718061, 1436122, 2154183, 2872244, 3590305, 4308366, 6462549, 7180610, 8616732, 10770915, 12925098, 14361220, 21541830, 25850196, 32312745, 43083660, 64625490, 129250980]

約数ペア:

[(1, 129250980), (2, 64625490), (3, 43083660), (4, 32312745), (5, 25850196), (6, 21541830), (9, 14361220), (10, 12925098), (12, 10770915), (15, 8616732), (18, 7180610), (20, 6462549), (30, 4308366), (36, 3590305), (45, 2872244), (60, 2154183), (90, 1436122), (180, 718061), (499, 259020), (998, 129510), (1439, 89820), (1497, 86340), (1996, 64755), (2495, 51804), (2878, 44910), (2994, 43170), (4317, 29940), (4491, 28780), (4990, 25902), (5756, 22455), (5988, 21585), (7195, 17964), (7485, 17268), (8634, 14970), (8982, 14390), (9980, 12951)]