69688780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 186157440

約数和(自身を除く): 116468660

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 47, 49, 68, 70, 85, 89, 94, 98, 119, 140, 170, 178, 188, 196, 235, 238, 245, 329, 340, 356, 445, 470, 476, 490, 595, 623, 658, 799, 833, 890, 940, 980, 1190, 1246, 1316, 1513, 1598, 1645, 1666, 1780, 2303, 2380, 2492, 3026, 3115, 3196, 3290, 3332, 3995, 4165, 4183, 4361, 4606, 5593, 6052, 6230, 6580, 7565, 7990, 8330, 8366, 8722, 9212, 10591, 11186, 11515, 12460, 15130, 15980, 16660, 16732, 17444, 20915, 21182, 21805, 22372, 23030, 27965, 29281, 30260, 39151, 41830, 42364, 43610, 46060, 52955, 55930, 58562, 71111, 74137, 78302, 83660, 87220, 105910, 111860, 117124, 142222, 146405, 148274, 156604, 195755, 204967, 211820, 284444, 292810, 296548, 355555, 370685, 391510, 409934, 497777, 585620, 711110, 741370, 783020, 819868, 995554, 1024835, 1422220, 1482740, 1991108, 2049670, 2488885, 3484439, 4099340, 4977770, 6968878, 9955540, 13937756, 17422195, 34844390, 69688780]

約数ペア:

[(1, 69688780), (2, 34844390), (4, 17422195), (5, 13937756), (7, 9955540), (10, 6968878), (14, 4977770), (17, 4099340), (20, 3484439), (28, 2488885), (34, 2049670), (35, 1991108), (47, 1482740), (49, 1422220), (68, 1024835), (70, 995554), (85, 819868), (89, 783020), (94, 741370), (98, 711110), (119, 585620), (140, 497777), (170, 409934), (178, 391510), (188, 370685), (196, 355555), (235, 296548), (238, 292810), (245, 284444), (329, 211820), (340, 204967), (356, 195755), (445, 156604), (470, 148274), (476, 146405), (490, 142222), (595, 117124), (623, 111860), (658, 105910), (799, 87220), (833, 83660), (890, 78302), (940, 74137), (980, 71111), (1190, 58562), (1246, 55930), (1316, 52955), (1513, 46060), (1598, 43610), (1645, 42364), (1666, 41830), (1780, 39151), (2303, 30260), (2380, 29281), (2492, 27965), (3026, 23030), (3115, 22372), (3196, 21805), (3290, 21182), (3332, 20915), (3995, 17444), (4165, 16732), (4183, 16660), (4361, 15980), (4606, 15130), (5593, 12460), (6052, 11515), (6230, 11186), (6580, 10591), (7565, 9212), (7990, 8722), (8330, 8366)]