254656860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{6421}}^1$

素因数の和:7094

約数の個数: 48

約数和(自身を含む): 714229152

約数和(自身を除く): 459572292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 1322, 1983, 2644, 3305, 3966, 6421, 6610, 7932, 9915, 12842, 13220, 19263, 19830, 25684, 32105, 38526, 39660, 64210, 77052, 96315, 128420, 192630, 385260, 4244281, 8488562, 12732843, 16977124, 21221405, 25465686, 42442810, 50931372, 63664215, 84885620, 127328430, 254656860]

約数ペア:

[(1, 254656860), (2, 127328430), (3, 84885620), (4, 63664215), (5, 50931372), (6, 42442810), (10, 25465686), (12, 21221405), (15, 16977124), (20, 12732843), (30, 8488562), (60, 4244281), (661, 385260), (1322, 192630), (1983, 128420), (2644, 96315), (3305, 77052), (3966, 64210), (6421, 39660), (6610, 38526), (7932, 32105), (9915, 25684), (12842, 19830), (13220, 19263)]