2784420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 8736000

約数和(自身を除く): 5951580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 499, 558, 620, 930, 998, 1116, 1395, 1497, 1860, 1996, 2495, 2790, 2994, 4491, 4990, 5580, 5988, 7485, 8982, 9980, 14970, 15469, 17964, 22455, 29940, 30938, 44910, 46407, 61876, 77345, 89820, 92814, 139221, 154690, 185628, 232035, 278442, 309380, 464070, 556884, 696105, 928140, 1392210, 2784420]

約数ペア:

[(1, 2784420), (2, 1392210), (3, 928140), (4, 696105), (5, 556884), (6, 464070), (9, 309380), (10, 278442), (12, 232035), (15, 185628), (18, 154690), (20, 139221), (30, 92814), (31, 89820), (36, 77345), (45, 61876), (60, 46407), (62, 44910), (90, 30938), (93, 29940), (124, 22455), (155, 17964), (180, 15469), (186, 14970), (279, 9980), (310, 8982), (372, 7485), (465, 5988), (499, 5580), (558, 4990), (620, 4491), (930, 2994), (998, 2790), (1116, 2495), (1395, 1996), (1497, 1860)]