251223720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{190321}}^1$

素因数の和:190346

約数の個数: 64

約数和(自身を含む): 822191040

約数和(自身を除く): 570967320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 190321, 380642, 570963, 761284, 951605, 1141926, 1522568, 1903210, 2093531, 2283852, 2854815, 3806420, 4187062, 4567704, 5709630, 6280593, 7612840, 8374124, 10467655, 11419260, 12561186, 16748248, 20935310, 22838520, 25122372, 31402965, 41870620, 50244744, 62805930, 83741240, 125611860, 251223720]

約数ペア:

[(1, 251223720), (2, 125611860), (3, 83741240), (4, 62805930), (5, 50244744), (6, 41870620), (8, 31402965), (10, 25122372), (11, 22838520), (12, 20935310), (15, 16748248), (20, 12561186), (22, 11419260), (24, 10467655), (30, 8374124), (33, 7612840), (40, 6280593), (44, 5709630), (55, 4567704), (60, 4187062), (66, 3806420), (88, 2854815), (110, 2283852), (120, 2093531), (132, 1903210), (165, 1522568), (220, 1141926), (264, 951605), (330, 761284), (440, 570963), (660, 380642), (1320, 190321)]