69889720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1408

約数の個数: 64

約数和(自身を含む): 168739200

約数和(自身を除く): 98849480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 790, 1301, 1343, 1580, 2602, 2686, 3160, 5204, 5372, 6505, 6715, 10408, 10744, 13010, 13430, 22117, 26020, 26860, 44234, 52040, 53720, 88468, 102779, 110585, 176936, 205558, 221170, 411116, 442340, 513895, 822232, 884680, 1027790, 1747243, 2055580, 3494486, 4111160, 6988972, 8736215, 13977944, 17472430, 34944860, 69889720]

約数ペア:

[(1, 69889720), (2, 34944860), (4, 17472430), (5, 13977944), (8, 8736215), (10, 6988972), (17, 4111160), (20, 3494486), (34, 2055580), (40, 1747243), (68, 1027790), (79, 884680), (85, 822232), (136, 513895), (158, 442340), (170, 411116), (316, 221170), (340, 205558), (395, 176936), (632, 110585), (680, 102779), (790, 88468), (1301, 53720), (1343, 52040), (1580, 44234), (2602, 26860), (2686, 26020), (3160, 22117), (5204, 13430), (5372, 13010), (6505, 10744), (6715, 10408)]