649718820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3109}}^1$

素因数の和:3176

約数の個数: 144

約数和(自身を含む): 2092009920

約数和(自身を除く): 1442291100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 243, 258, 270, 324, 387, 405, 430, 486, 516, 540, 645, 774, 810, 860, 972, 1161, 1215, 1290, 1548, 1620, 1935, 2322, 2430, 2580, 3109, 3483, 3870, 4644, 4860, 5805, 6218, 6966, 7740, 9327, 10449, 11610, 12436, 13932, 15545, 17415, 18654, 20898, 23220, 27981, 31090, 34830, 37308, 41796, 46635, 52245, 55962, 62180, 69660, 83943, 93270, 104490, 111924, 133687, 139905, 167886, 186540, 208980, 251829, 267374, 279810, 335772, 401061, 419715, 503658, 534748, 559620, 668435, 755487, 802122, 839430, 1007316, 1203183, 1259145, 1336870, 1510974, 1604244, 1678860, 2005305, 2406366, 2518290, 2673740, 3021948, 3609549, 3777435, 4010610, 4812732, 5036580, 6015915, 7219098, 7554870, 8021220, 10828647, 12031830, 14438196, 15109740, 18047745, 21657294, 24063660, 32485941, 36095490, 43314588, 54143235, 64971882, 72190980, 108286470, 129943764, 162429705, 216572940, 324859410, 649718820]

約数ペア:

[(1, 649718820), (2, 324859410), (3, 216572940), (4, 162429705), (5, 129943764), (6, 108286470), (9, 72190980), (10, 64971882), (12, 54143235), (15, 43314588), (18, 36095490), (20, 32485941), (27, 24063660), (30, 21657294), (36, 18047745), (43, 15109740), (45, 14438196), (54, 12031830), (60, 10828647), (81, 8021220), (86, 7554870), (90, 7219098), (108, 6015915), (129, 5036580), (135, 4812732), (162, 4010610), (172, 3777435), (180, 3609549), (215, 3021948), (243, 2673740), (258, 2518290), (270, 2406366), (324, 2005305), (387, 1678860), (405, 1604244), (430, 1510974), (486, 1336870), (516, 1259145), (540, 1203183), (645, 1007316), (774, 839430), (810, 802122), (860, 755487), (972, 668435), (1161, 559620), (1215, 534748), (1290, 503658), (1548, 419715), (1620, 401061), (1935, 335772), (2322, 279810), (2430, 267374), (2580, 251829), (3109, 208980), (3483, 186540), (3870, 167886), (4644, 139905), (4860, 133687), (5805, 111924), (6218, 104490), (6966, 93270), (7740, 83943), (9327, 69660), (10449, 62180), (11610, 55962), (12436, 52245), (13932, 46635), (15545, 41796), (17415, 37308), (18654, 34830), (20898, 31090), (23220, 27981)]