1216281900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{130783}}^1$

素因数の和:130831

約数の個数: 72

約数和(自身を含む): 3632656384

約数和(自身を除く): 2416374484

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, 130783, 261566, 392349, 523132, 653915, 784698, 1307830, 1569396, 1961745, 2615660, 3269575, 3923490, 4054273, 6539150, 7846980, 8108546, 9808725, 12162819, 13078300, 16217092, 19617450, 20271365, 24325638, 39234900, 40542730, 48651276, 60814095, 81085460, 101356825, 121628190, 202713650, 243256380, 304070475, 405427300, 608140950, 1216281900]

約数ペア:

[(1, 1216281900), (2, 608140950), (3, 405427300), (4, 304070475), (5, 243256380), (6, 202713650), (10, 121628190), (12, 101356825), (15, 81085460), (20, 60814095), (25, 48651276), (30, 40542730), (31, 39234900), (50, 24325638), (60, 20271365), (62, 19617450), (75, 16217092), (93, 13078300), (100, 12162819), (124, 9808725), (150, 8108546), (155, 7846980), (186, 6539150), (300, 4054273), (310, 3923490), (372, 3269575), (465, 2615660), (620, 1961745), (775, 1569396), (930, 1307830), (1550, 784698), (1860, 653915), (2325, 523132), (3100, 392349), (4650, 261566), (9300, 130783)]