78004860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18311}}^1$

素因数の和:18394

約数の個数: 48

約数和(自身を含む): 221501952

約数和(自身を除く): 143497092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 18311, 36622, 54933, 73244, 91555, 109866, 183110, 219732, 274665, 366220, 549330, 1098660, 1300081, 2600162, 3900243, 5200324, 6500405, 7800486, 13000810, 15600972, 19501215, 26001620, 39002430, 78004860]

約数ペア:

[(1, 78004860), (2, 39002430), (3, 26001620), (4, 19501215), (5, 15600972), (6, 13000810), (10, 7800486), (12, 6500405), (15, 5200324), (20, 3900243), (30, 2600162), (60, 1300081), (71, 1098660), (142, 549330), (213, 366220), (284, 274665), (355, 219732), (426, 183110), (710, 109866), (852, 91555), (1065, 73244), (1420, 54933), (2130, 36622), (4260, 18311)]