1540860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 4395552

約数和(自身を除く): 2854692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 421, 610, 732, 842, 915, 1220, 1263, 1684, 1830, 2105, 2526, 3660, 4210, 5052, 6315, 8420, 12630, 25260, 25681, 51362, 77043, 102724, 128405, 154086, 256810, 308172, 385215, 513620, 770430, 1540860]

約数ペア:

[(1, 1540860), (2, 770430), (3, 513620), (4, 385215), (5, 308172), (6, 256810), (10, 154086), (12, 128405), (15, 102724), (20, 77043), (30, 51362), (60, 25681), (61, 25260), (122, 12630), (183, 8420), (244, 6315), (305, 5052), (366, 4210), (421, 3660), (610, 2526), (732, 2105), (842, 1830), (915, 1684), (1220, 1263)]