15194340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:442

約数の個数: 144

約数和(自身を含む): 54512640

約数和(自身を除く): 39318300

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, 389, 420, 434, 465, 558, 620, 630, 651, 778, 868, 930, 1085, 1116, 1167, 1260, 1302, 1395, 1556, 1860, 1945, 1953, 2170, 2334, 2604, 2723, 2790, 3255, 3501, 3890, 3906, 4340, 4668, 5446, 5580, 5835, 6510, 7002, 7780, 7812, 8169, 9765, 10892, 11670, 12059, 13020, 13615, 14004, 16338, 17505, 19530, 23340, 24118, 24507, 27230, 32676, 35010, 36177, 39060, 40845, 48236, 49014, 54460, 60295, 70020, 72354, 81690, 84413, 98028, 108531, 120590, 122535, 144708, 163380, 168826, 180885, 217062, 241180, 245070, 253239, 337652, 361770, 422065, 434124, 490140, 506478, 542655, 723540, 759717, 844130, 1012956, 1085310, 1266195, 1519434, 1688260, 2170620, 2532390, 3038868, 3798585, 5064780, 7597170, 15194340]

約数ペア:

[(1, 15194340), (2, 7597170), (3, 5064780), (4, 3798585), (5, 3038868), (6, 2532390), (7, 2170620), (9, 1688260), (10, 1519434), (12, 1266195), (14, 1085310), (15, 1012956), (18, 844130), (20, 759717), (21, 723540), (28, 542655), (30, 506478), (31, 490140), (35, 434124), (36, 422065), (42, 361770), (45, 337652), (60, 253239), (62, 245070), (63, 241180), (70, 217062), (84, 180885), (90, 168826), (93, 163380), (105, 144708), (124, 122535), (126, 120590), (140, 108531), (155, 98028), (180, 84413), (186, 81690), (210, 72354), (217, 70020), (252, 60295), (279, 54460), (310, 49014), (315, 48236), (372, 40845), (389, 39060), (420, 36177), (434, 35010), (465, 32676), (558, 27230), (620, 24507), (630, 24118), (651, 23340), (778, 19530), (868, 17505), (930, 16338), (1085, 14004), (1116, 13615), (1167, 13020), (1260, 12059), (1302, 11670), (1395, 10892), (1556, 9765), (1860, 8169), (1945, 7812), (1953, 7780), (2170, 7002), (2334, 6510), (2604, 5835), (2723, 5580), (2790, 5446), (3255, 4668), (3501, 4340), (3890, 3906)]