18084780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:516

約数の個数: 144

約数和(自身を含む): 64856064

約数和(自身を除く): 46771284

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, 463, 465, 558, 620, 630, 651, 868, 926, 930, 1085, 1116, 1260, 1302, 1389, 1395, 1852, 1860, 1953, 2170, 2315, 2604, 2778, 2790, 3241, 3255, 3906, 4167, 4340, 4630, 5556, 5580, 6482, 6510, 6945, 7812, 8334, 9260, 9723, 9765, 12964, 13020, 13890, 14353, 16205, 16668, 19446, 19530, 20835, 27780, 28706, 29169, 32410, 38892, 39060, 41670, 43059, 48615, 57412, 58338, 64820, 71765, 83340, 86118, 97230, 100471, 116676, 129177, 143530, 145845, 172236, 194460, 200942, 215295, 258354, 287060, 291690, 301413, 401884, 430590, 502355, 516708, 583380, 602826, 645885, 861180, 904239, 1004710, 1205652, 1291770, 1507065, 1808478, 2009420, 2583540, 3014130, 3616956, 4521195, 6028260, 9042390, 18084780]

約数ペア:

[(1, 18084780), (2, 9042390), (3, 6028260), (4, 4521195), (5, 3616956), (6, 3014130), (7, 2583540), (9, 2009420), (10, 1808478), (12, 1507065), (14, 1291770), (15, 1205652), (18, 1004710), (20, 904239), (21, 861180), (28, 645885), (30, 602826), (31, 583380), (35, 516708), (36, 502355), (42, 430590), (45, 401884), (60, 301413), (62, 291690), (63, 287060), (70, 258354), (84, 215295), (90, 200942), (93, 194460), (105, 172236), (124, 145845), (126, 143530), (140, 129177), (155, 116676), (180, 100471), (186, 97230), (210, 86118), (217, 83340), (252, 71765), (279, 64820), (310, 58338), (315, 57412), (372, 48615), (420, 43059), (434, 41670), (463, 39060), (465, 38892), (558, 32410), (620, 29169), (630, 28706), (651, 27780), (868, 20835), (926, 19530), (930, 19446), (1085, 16668), (1116, 16205), (1260, 14353), (1302, 13890), (1389, 13020), (1395, 12964), (1852, 9765), (1860, 9723), (1953, 9260), (2170, 8334), (2315, 7812), (2604, 6945), (2778, 6510), (2790, 6482), (3241, 5580), (3255, 5556), (3906, 4630), (4167, 4340)]