71932980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 240166080

約数和(自身を除く): 168233100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 420, 430, 490, 516, 569, 588, 602, 645, 735, 860, 903, 980, 1138, 1204, 1290, 1470, 1505, 1707, 1806, 2107, 2276, 2580, 2845, 2940, 3010, 3414, 3612, 3983, 4214, 4515, 5690, 6020, 6321, 6828, 7966, 8428, 8535, 9030, 10535, 11380, 11949, 12642, 15932, 17070, 18060, 19915, 21070, 23898, 24467, 25284, 27881, 31605, 34140, 39830, 42140, 47796, 48934, 55762, 59745, 63210, 73401, 79660, 83643, 97868, 111524, 119490, 122335, 126420, 139405, 146802, 167286, 171269, 238980, 244670, 278810, 293604, 334572, 342538, 367005, 418215, 489340, 513807, 557620, 685076, 734010, 836430, 856345, 1027614, 1198883, 1468020, 1672860, 1712690, 2055228, 2397766, 2569035, 3425380, 3596649, 4795532, 5138070, 5994415, 7193298, 10276140, 11988830, 14386596, 17983245, 23977660, 35966490, 71932980]

約数ペア:

[(1, 71932980), (2, 35966490), (3, 23977660), (4, 17983245), (5, 14386596), (6, 11988830), (7, 10276140), (10, 7193298), (12, 5994415), (14, 5138070), (15, 4795532), (20, 3596649), (21, 3425380), (28, 2569035), (30, 2397766), (35, 2055228), (42, 1712690), (43, 1672860), (49, 1468020), (60, 1198883), (70, 1027614), (84, 856345), (86, 836430), (98, 734010), (105, 685076), (129, 557620), (140, 513807), (147, 489340), (172, 418215), (196, 367005), (210, 342538), (215, 334572), (245, 293604), (258, 278810), (294, 244670), (301, 238980), (420, 171269), (430, 167286), (490, 146802), (516, 139405), (569, 126420), (588, 122335), (602, 119490), (645, 111524), (735, 97868), (860, 83643), (903, 79660), (980, 73401), (1138, 63210), (1204, 59745), (1290, 55762), (1470, 48934), (1505, 47796), (1707, 42140), (1806, 39830), (2107, 34140), (2276, 31605), (2580, 27881), (2845, 25284), (2940, 24467), (3010, 23898), (3414, 21070), (3612, 19915), (3983, 18060), (4214, 17070), (4515, 15932), (5690, 12642), (6020, 11949), (6321, 11380), (6828, 10535), (7966, 9030), (8428, 8535)]