15545880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 192

約数和(自身を含む): 59904000

約数和(自身を除く): 44358120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 199, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 398, 420, 434, 465, 504, 558, 597, 620, 630, 651, 744, 796, 840, 868, 930, 995, 1085, 1116, 1194, 1240, 1260, 1302, 1393, 1395, 1592, 1736, 1791, 1860, 1953, 1990, 2170, 2232, 2388, 2520, 2604, 2786, 2790, 2985, 3255, 3582, 3720, 3906, 3980, 4179, 4340, 4776, 5208, 5572, 5580, 5970, 6169, 6510, 6965, 7164, 7812, 7960, 8358, 8680, 8955, 9765, 11144, 11160, 11940, 12338, 12537, 13020, 13930, 14328, 15624, 16716, 17910, 18507, 19530, 20895, 23880, 24676, 25074, 26040, 27860, 30845, 33432, 35820, 37014, 39060, 41790, 43183, 49352, 50148, 55521, 55720, 61690, 62685, 71640, 74028, 78120, 83580, 86366, 92535, 100296, 111042, 123380, 125370, 129549, 148056, 167160, 172732, 185070, 215915, 222084, 246760, 250740, 259098, 277605, 345464, 370140, 388647, 431830, 444168, 501480, 518196, 555210, 647745, 740280, 777294, 863660, 1036392, 1110420, 1295490, 1554588, 1727320, 1943235, 2220840, 2590980, 3109176, 3886470, 5181960, 7772940, 15545880]

約数ペア:

[(1, 15545880), (2, 7772940), (3, 5181960), (4, 3886470), (5, 3109176), (6, 2590980), (7, 2220840), (8, 1943235), (9, 1727320), (10, 1554588), (12, 1295490), (14, 1110420), (15, 1036392), (18, 863660), (20, 777294), (21, 740280), (24, 647745), (28, 555210), (30, 518196), (31, 501480), (35, 444168), (36, 431830), (40, 388647), (42, 370140), (45, 345464), (56, 277605), (60, 259098), (62, 250740), (63, 246760), (70, 222084), (72, 215915), (84, 185070), (90, 172732), (93, 167160), (105, 148056), (120, 129549), (124, 125370), (126, 123380), (140, 111042), (155, 100296), (168, 92535), (180, 86366), (186, 83580), (199, 78120), (210, 74028), (217, 71640), (248, 62685), (252, 61690), (279, 55720), (280, 55521), (310, 50148), (315, 49352), (360, 43183), (372, 41790), (398, 39060), (420, 37014), (434, 35820), (465, 33432), (504, 30845), (558, 27860), (597, 26040), (620, 25074), (630, 24676), (651, 23880), (744, 20895), (796, 19530), (840, 18507), (868, 17910), (930, 16716), (995, 15624), (1085, 14328), (1116, 13930), (1194, 13020), (1240, 12537), (1260, 12338), (1302, 11940), (1393, 11160), (1395, 11144), (1592, 9765), (1736, 8955), (1791, 8680), (1860, 8358), (1953, 7960), (1990, 7812), (2170, 7164), (2232, 6965), (2388, 6510), (2520, 6169), (2604, 5970), (2786, 5580), (2790, 5572), (2985, 5208), (3255, 4776), (3582, 4340), (3720, 4179), (3906, 3980)]