279943020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2445

約数の個数: 192

約数和(自身を含む): 1027891200

約数和(自身を除く): 747948180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 372, 378, 420, 434, 465, 540, 558, 620, 630, 651, 756, 837, 868, 930, 945, 1085, 1116, 1260, 1302, 1395, 1674, 1860, 1890, 1953, 2170, 2389, 2604, 2790, 3255, 3348, 3780, 3906, 4185, 4340, 4778, 5580, 5859, 6510, 7167, 7812, 8370, 9556, 9765, 11718, 11945, 13020, 14334, 16723, 16740, 19530, 21501, 23436, 23890, 28668, 29295, 33446, 35835, 39060, 43002, 47780, 50169, 58590, 64503, 66892, 71670, 74059, 83615, 86004, 100338, 107505, 117180, 129006, 143340, 148118, 150507, 167230, 200676, 215010, 222177, 250845, 258012, 296236, 301014, 322515, 334460, 370295, 430020, 444354, 451521, 501690, 518413, 602028, 645030, 666531, 740590, 752535, 888708, 903042, 1003380, 1036826, 1110885, 1290060, 1333062, 1481180, 1505070, 1555239, 1806084, 1999593, 2073652, 2221770, 2257605, 2592065, 2666124, 3010140, 3110478, 3332655, 3999186, 4443540, 4515210, 4665717, 5184130, 6220956, 6665310, 7776195, 7998372, 9030420, 9331434, 9997965, 10368260, 13330620, 13997151, 15552390, 18662868, 19995930, 23328585, 27994302, 31104780, 39991860, 46657170, 55988604, 69985755, 93314340, 139971510, 279943020]

約数ペア:

[(1, 279943020), (2, 139971510), (3, 93314340), (4, 69985755), (5, 55988604), (6, 46657170), (7, 39991860), (9, 31104780), (10, 27994302), (12, 23328585), (14, 19995930), (15, 18662868), (18, 15552390), (20, 13997151), (21, 13330620), (27, 10368260), (28, 9997965), (30, 9331434), (31, 9030420), (35, 7998372), (36, 7776195), (42, 6665310), (45, 6220956), (54, 5184130), (60, 4665717), (62, 4515210), (63, 4443540), (70, 3999186), (84, 3332655), (90, 3110478), (93, 3010140), (105, 2666124), (108, 2592065), (124, 2257605), (126, 2221770), (135, 2073652), (140, 1999593), (155, 1806084), (180, 1555239), (186, 1505070), (189, 1481180), (210, 1333062), (217, 1290060), (252, 1110885), (270, 1036826), (279, 1003380), (310, 903042), (315, 888708), (372, 752535), (378, 740590), (420, 666531), (434, 645030), (465, 602028), (540, 518413), (558, 501690), (620, 451521), (630, 444354), (651, 430020), (756, 370295), (837, 334460), (868, 322515), (930, 301014), (945, 296236), (1085, 258012), (1116, 250845), (1260, 222177), (1302, 215010), (1395, 200676), (1674, 167230), (1860, 150507), (1890, 148118), (1953, 143340), (2170, 129006), (2389, 117180), (2604, 107505), (2790, 100338), (3255, 86004), (3348, 83615), (3780, 74059), (3906, 71670), (4185, 66892), (4340, 64503), (4778, 58590), (5580, 50169), (5859, 47780), (6510, 43002), (7167, 39060), (7812, 35835), (8370, 33446), (9556, 29295), (9765, 28668), (11718, 23890), (11945, 23436), (13020, 21501), (14334, 19530), (16723, 16740)]