305429220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23899}}^1$

素因数の和:23985

約数の個数: 72

約数和(自身を含む): 939556800

約数和(自身を除く): 634127580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 23899, 47798, 71697, 95596, 119495, 143394, 215091, 238990, 286788, 358485, 430182, 477980, 716970, 860364, 1075455, 1433940, 1696829, 2150910, 3393658, 4301820, 5090487, 6787316, 8484145, 10180974, 15271461, 16968290, 20361948, 25452435, 30542922, 33936580, 50904870, 61085844, 76357305, 101809740, 152714610, 305429220]

約数ペア:

[(1, 305429220), (2, 152714610), (3, 101809740), (4, 76357305), (5, 61085844), (6, 50904870), (9, 33936580), (10, 30542922), (12, 25452435), (15, 20361948), (18, 16968290), (20, 15271461), (30, 10180974), (36, 8484145), (45, 6787316), (60, 5090487), (71, 4301820), (90, 3393658), (142, 2150910), (180, 1696829), (213, 1433940), (284, 1075455), (355, 860364), (426, 716970), (639, 477980), (710, 430182), (852, 358485), (1065, 286788), (1278, 238990), (1420, 215091), (2130, 143394), (2556, 119495), (3195, 95596), (4260, 71697), (6390, 47798), (12780, 23899)]