71939240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1579}}^1$

素因数の和:1674

約数の個数: 64

約数和(自身を含む): 174052800

約数和(自身を除く): 102113560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 536, 670, 680, 1139, 1340, 1579, 2278, 2680, 3158, 4556, 5695, 6316, 7895, 9112, 11390, 12632, 15790, 22780, 26843, 31580, 45560, 53686, 63160, 105793, 107372, 134215, 211586, 214744, 268430, 423172, 528965, 536860, 846344, 1057930, 1073720, 1798481, 2115860, 3596962, 4231720, 7193924, 8992405, 14387848, 17984810, 35969620, 71939240]

約数ペア:

[(1, 71939240), (2, 35969620), (4, 17984810), (5, 14387848), (8, 8992405), (10, 7193924), (17, 4231720), (20, 3596962), (34, 2115860), (40, 1798481), (67, 1073720), (68, 1057930), (85, 846344), (134, 536860), (136, 528965), (170, 423172), (268, 268430), (335, 214744), (340, 211586), (536, 134215), (670, 107372), (680, 105793), (1139, 63160), (1340, 53686), (1579, 45560), (2278, 31580), (2680, 26843), (3158, 22780), (4556, 15790), (5695, 12632), (6316, 11390), (7895, 9112)]