128609700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13829}}^1$

素因数の和:13877

約数の個数: 72

約数和(自身を含む): 384142080

約数和(自身を除く): 255532380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2325, 3100, 4650, 9300, 13829, 27658, 41487, 55316, 69145, 82974, 138290, 165948, 207435, 276580, 345725, 414870, 428699, 691450, 829740, 857398, 1037175, 1286097, 1382900, 1714796, 2074350, 2143495, 2572194, 4148700, 4286990, 5144388, 6430485, 8573980, 10717475, 12860970, 21434950, 25721940, 32152425, 42869900, 64304850, 128609700]

約数ペア:

[(1, 128609700), (2, 64304850), (3, 42869900), (4, 32152425), (5, 25721940), (6, 21434950), (10, 12860970), (12, 10717475), (15, 8573980), (20, 6430485), (25, 5144388), (30, 4286990), (31, 4148700), (50, 2572194), (60, 2143495), (62, 2074350), (75, 1714796), (93, 1382900), (100, 1286097), (124, 1037175), (150, 857398), (155, 829740), (186, 691450), (300, 428699), (310, 414870), (372, 345725), (465, 276580), (620, 207435), (775, 165948), (930, 138290), (1550, 82974), (1860, 69145), (2325, 55316), (3100, 41487), (4650, 27658), (9300, 13829)]