78914840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2767}}^1$

素因数の和:2832

約数の個数: 64

約数和(自身を含む): 191324160

約数和(自身を除く): 112409320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2767, 2852, 3565, 5534, 5704, 7130, 11068, 13835, 14260, 22136, 27670, 28520, 55340, 63641, 85777, 110680, 127282, 171554, 254564, 318205, 343108, 428885, 509128, 636410, 686216, 857770, 1272820, 1715540, 1972871, 2545640, 3431080, 3945742, 7891484, 9864355, 15782968, 19728710, 39457420, 78914840]

約数ペア:

[(1, 78914840), (2, 39457420), (4, 19728710), (5, 15782968), (8, 9864355), (10, 7891484), (20, 3945742), (23, 3431080), (31, 2545640), (40, 1972871), (46, 1715540), (62, 1272820), (92, 857770), (115, 686216), (124, 636410), (155, 509128), (184, 428885), (230, 343108), (248, 318205), (310, 254564), (460, 171554), (620, 127282), (713, 110680), (920, 85777), (1240, 63641), (1426, 55340), (2767, 28520), (2852, 27670), (3565, 22136), (5534, 14260), (5704, 13835), (7130, 11068)]