1216974780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{15331}}^1$

素因数の和:15366

約数の個数: 180

約数和(自身を含む): 4441281768

約数和(自身を除く): 3224306988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 945, 980, 1134, 1260, 1323, 1470, 1620, 1764, 1890, 2205, 2268, 2646, 2835, 2940, 3780, 3969, 4410, 5292, 5670, 6615, 7938, 8820, 11340, 13230, 15331, 15876, 19845, 26460, 30662, 39690, 45993, 61324, 76655, 79380, 91986, 107317, 137979, 153310, 183972, 214634, 229965, 275958, 306620, 321951, 413937, 429268, 459930, 536585, 551916, 643902, 689895, 751219, 827874, 919860, 965853, 1073170, 1241811, 1287804, 1379790, 1502438, 1609755, 1655748, 1931706, 2069685, 2146340, 2253657, 2483622, 2759580, 2897559, 3004876, 3219510, 3756095, 3863412, 4139370, 4507314, 4829265, 4967244, 5795118, 6209055, 6439020, 6760971, 7512190, 8278740, 8692677, 9014628, 9658530, 11268285, 11590236, 12418110, 13521942, 14487795, 15024380, 17385354, 19317060, 20282913, 22536570, 24836220, 27043884, 28975590, 33804855, 34770708, 40565826, 43463385, 45073140, 57951180, 60848739, 67609710, 81131652, 86926770, 101414565, 121697478, 135219420, 173853540, 202829130, 243394956, 304243695, 405658260, 608487390, 1216974780]

約数ペア:

[(1, 1216974780), (2, 608487390), (3, 405658260), (4, 304243695), (5, 243394956), (6, 202829130), (7, 173853540), (9, 135219420), (10, 121697478), (12, 101414565), (14, 86926770), (15, 81131652), (18, 67609710), (20, 60848739), (21, 57951180), (27, 45073140), (28, 43463385), (30, 40565826), (35, 34770708), (36, 33804855), (42, 28975590), (45, 27043884), (49, 24836220), (54, 22536570), (60, 20282913), (63, 19317060), (70, 17385354), (81, 15024380), (84, 14487795), (90, 13521942), (98, 12418110), (105, 11590236), (108, 11268285), (126, 9658530), (135, 9014628), (140, 8692677), (147, 8278740), (162, 7512190), (180, 6760971), (189, 6439020), (196, 6209055), (210, 5795118), (245, 4967244), (252, 4829265), (270, 4507314), (294, 4139370), (315, 3863412), (324, 3756095), (378, 3219510), (405, 3004876), (420, 2897559), (441, 2759580), (490, 2483622), (540, 2253657), (567, 2146340), (588, 2069685), (630, 1931706), (735, 1655748), (756, 1609755), (810, 1502438), (882, 1379790), (945, 1287804), (980, 1241811), (1134, 1073170), (1260, 965853), (1323, 919860), (1470, 827874), (1620, 751219), (1764, 689895), (1890, 643902), (2205, 551916), (2268, 536585), (2646, 459930), (2835, 429268), (2940, 413937), (3780, 321951), (3969, 306620), (4410, 275958), (5292, 229965), (5670, 214634), (6615, 183972), (7938, 153310), (8820, 137979), (11340, 107317), (13230, 91986), (15331, 79380), (15876, 76655), (19845, 61324), (26460, 45993), (30662, 39690)]