123758520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21943}}^1$

素因数の和:22004

約数の個数: 64

約数和(自身を含む): 379192320

約数和(自身を除く): 255433800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 5640, 21943, 43886, 65829, 87772, 109715, 131658, 175544, 219430, 263316, 329145, 438860, 526632, 658290, 877720, 1031321, 1316580, 2062642, 2633160, 3093963, 4125284, 5156605, 6187926, 8250568, 10313210, 12375852, 15469815, 20626420, 24751704, 30939630, 41252840, 61879260, 123758520]

約数ペア:

[(1, 123758520), (2, 61879260), (3, 41252840), (4, 30939630), (5, 24751704), (6, 20626420), (8, 15469815), (10, 12375852), (12, 10313210), (15, 8250568), (20, 6187926), (24, 5156605), (30, 4125284), (40, 3093963), (47, 2633160), (60, 2062642), (94, 1316580), (120, 1031321), (141, 877720), (188, 658290), (235, 526632), (282, 438860), (376, 329145), (470, 263316), (564, 219430), (705, 175544), (940, 131658), (1128, 109715), (1410, 87772), (1880, 65829), (2820, 43886), (5640, 21943)]