123546780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3163}}^1$

素因数の和:3216

約数の個数: 144

約数和(自身を含む): 442251264

約数和(自身を除く): 318704484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3163, 3255, 3906, 4340, 5580, 6326, 6510, 7812, 9489, 9765, 12652, 13020, 15815, 18978, 19530, 22141, 28467, 31630, 37956, 39060, 44282, 47445, 56934, 63260, 66423, 88564, 94890, 98053, 110705, 113868, 132846, 142335, 189780, 196106, 199269, 221410, 265692, 284670, 294159, 332115, 392212, 398538, 442820, 490265, 569340, 588318, 664230, 686371, 797076, 882477, 980530, 996345, 1176636, 1328460, 1372742, 1470795, 1764954, 1961060, 1992690, 2059113, 2745484, 2941590, 3431855, 3529908, 3985380, 4118226, 4412385, 5883180, 6177339, 6863710, 8236452, 8824770, 10295565, 12354678, 13727420, 17649540, 20591130, 24709356, 30886695, 41182260, 61773390, 123546780]

約数ペア:

[(1, 123546780), (2, 61773390), (3, 41182260), (4, 30886695), (5, 24709356), (6, 20591130), (7, 17649540), (9, 13727420), (10, 12354678), (12, 10295565), (14, 8824770), (15, 8236452), (18, 6863710), (20, 6177339), (21, 5883180), (28, 4412385), (30, 4118226), (31, 3985380), (35, 3529908), (36, 3431855), (42, 2941590), (45, 2745484), (60, 2059113), (62, 1992690), (63, 1961060), (70, 1764954), (84, 1470795), (90, 1372742), (93, 1328460), (105, 1176636), (124, 996345), (126, 980530), (140, 882477), (155, 797076), (180, 686371), (186, 664230), (210, 588318), (217, 569340), (252, 490265), (279, 442820), (310, 398538), (315, 392212), (372, 332115), (420, 294159), (434, 284670), (465, 265692), (558, 221410), (620, 199269), (630, 196106), (651, 189780), (868, 142335), (930, 132846), (1085, 113868), (1116, 110705), (1260, 98053), (1302, 94890), (1395, 88564), (1860, 66423), (1953, 63260), (2170, 56934), (2604, 47445), (2790, 44282), (3163, 39060), (3255, 37956), (3906, 31630), (4340, 28467), (5580, 22141), (6326, 19530), (6510, 18978), (7812, 15815), (9489, 13020), (9765, 12652)]