51379860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1813

約数の個数: 96

約数和(自身を含む): 166828032

約数和(自身を除く): 115448172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 994, 1065, 1420, 1491, 1723, 1988, 2130, 2485, 2982, 3446, 4260, 4970, 5169, 5964, 6892, 7455, 8615, 9940, 10338, 12061, 14910, 17230, 20676, 24122, 25845, 29820, 34460, 36183, 48244, 51690, 60305, 72366, 103380, 120610, 122333, 144732, 180915, 241220, 244666, 361830, 366999, 489332, 611665, 723660, 733998, 856331, 1223330, 1467996, 1712662, 1834995, 2446660, 2568993, 3425324, 3669990, 4281655, 5137986, 7339980, 8563310, 10275972, 12844965, 17126620, 25689930, 51379860]

約数ペア:

[(1, 51379860), (2, 25689930), (3, 17126620), (4, 12844965), (5, 10275972), (6, 8563310), (7, 7339980), (10, 5137986), (12, 4281655), (14, 3669990), (15, 3425324), (20, 2568993), (21, 2446660), (28, 1834995), (30, 1712662), (35, 1467996), (42, 1223330), (60, 856331), (70, 733998), (71, 723660), (84, 611665), (105, 489332), (140, 366999), (142, 361830), (210, 244666), (213, 241220), (284, 180915), (355, 144732), (420, 122333), (426, 120610), (497, 103380), (710, 72366), (852, 60305), (994, 51690), (1065, 48244), (1420, 36183), (1491, 34460), (1723, 29820), (1988, 25845), (2130, 24122), (2485, 20676), (2982, 17230), (3446, 14910), (4260, 12061), (4970, 10338), (5169, 9940), (5964, 8615), (6892, 7455)]