513711540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2141}}^1$

素因数の和:2230

約数の個数: 144

約数和(自身を含む): 1646701056

約数和(自身を除く): 1132989516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 155, 172, 180, 186, 215, 258, 279, 310, 372, 387, 430, 465, 516, 558, 620, 645, 774, 860, 930, 1116, 1290, 1333, 1395, 1548, 1860, 1935, 2141, 2580, 2666, 2790, 3870, 3999, 4282, 5332, 5580, 6423, 6665, 7740, 7998, 8564, 10705, 11997, 12846, 13330, 15996, 19269, 19995, 21410, 23994, 25692, 26660, 32115, 38538, 39990, 42820, 47988, 59985, 64230, 66371, 77076, 79980, 92063, 96345, 119970, 128460, 132742, 184126, 192690, 199113, 239940, 265484, 276189, 331855, 368252, 385380, 398226, 460315, 552378, 597339, 663710, 796452, 828567, 920630, 995565, 1104756, 1194678, 1327420, 1380945, 1657134, 1841260, 1991130, 2389356, 2761890, 2853953, 2986695, 3314268, 3982260, 4142835, 5523780, 5707906, 5973390, 8285670, 8561859, 11415812, 11946780, 14269765, 16571340, 17123718, 25685577, 28539530, 34247436, 42809295, 51371154, 57079060, 85618590, 102742308, 128427885, 171237180, 256855770, 513711540]

約数ペア:

[(1, 513711540), (2, 256855770), (3, 171237180), (4, 128427885), (5, 102742308), (6, 85618590), (9, 57079060), (10, 51371154), (12, 42809295), (15, 34247436), (18, 28539530), (20, 25685577), (30, 17123718), (31, 16571340), (36, 14269765), (43, 11946780), (45, 11415812), (60, 8561859), (62, 8285670), (86, 5973390), (90, 5707906), (93, 5523780), (124, 4142835), (129, 3982260), (155, 3314268), (172, 2986695), (180, 2853953), (186, 2761890), (215, 2389356), (258, 1991130), (279, 1841260), (310, 1657134), (372, 1380945), (387, 1327420), (430, 1194678), (465, 1104756), (516, 995565), (558, 920630), (620, 828567), (645, 796452), (774, 663710), (860, 597339), (930, 552378), (1116, 460315), (1290, 398226), (1333, 385380), (1395, 368252), (1548, 331855), (1860, 276189), (1935, 265484), (2141, 239940), (2580, 199113), (2666, 192690), (2790, 184126), (3870, 132742), (3999, 128460), (4282, 119970), (5332, 96345), (5580, 92063), (6423, 79980), (6665, 77076), (7740, 66371), (7998, 64230), (8564, 59985), (10705, 47988), (11997, 42820), (12846, 39990), (13330, 38538), (15996, 32115), (19269, 26660), (19995, 25692), (21410, 23994)]