18525780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 288

約数和(自身を含む): 73785600

約数和(自身を除く): 55259820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 29, 30, 35, 36, 39, 42, 45, 52, 54, 58, 60, 63, 65, 70, 78, 84, 87, 90, 91, 105, 108, 116, 117, 126, 130, 135, 140, 145, 156, 169, 174, 180, 182, 189, 195, 203, 210, 234, 252, 260, 261, 270, 273, 290, 315, 338, 348, 351, 364, 377, 378, 390, 406, 420, 435, 455, 468, 507, 522, 540, 546, 580, 585, 609, 630, 676, 702, 754, 756, 780, 783, 812, 819, 845, 870, 910, 945, 1014, 1015, 1044, 1092, 1131, 1170, 1183, 1218, 1260, 1305, 1365, 1404, 1508, 1521, 1566, 1638, 1690, 1740, 1755, 1820, 1827, 1885, 1890, 2028, 2030, 2262, 2340, 2366, 2436, 2457, 2535, 2610, 2639, 2730, 3042, 3045, 3132, 3276, 3380, 3393, 3510, 3549, 3654, 3770, 3780, 3915, 4060, 4095, 4524, 4563, 4732, 4901, 4914, 5070, 5220, 5278, 5460, 5481, 5655, 5915, 6084, 6090, 6786, 7020, 7098, 7308, 7540, 7605, 7830, 7917, 8190, 9126, 9135, 9802, 9828, 10140, 10179, 10556, 10647, 10962, 11310, 11830, 12180, 12285, 13195, 13572, 14196, 14703, 15210, 15660, 15834, 16380, 16965, 17745, 18252, 18270, 19604, 20358, 21294, 21924, 22620, 22815, 23660, 23751, 24505, 24570, 26390, 27405, 29406, 30420, 31668, 31941, 33930, 34307, 35490, 36540, 39585, 40716, 42588, 44109, 45630, 47502, 49010, 49140, 50895, 52780, 53235, 54810, 58812, 63882, 67860, 68614, 70980, 71253, 73515, 79170, 88218, 91260, 95004, 98020, 101790, 102921, 106470, 109620, 118755, 127764, 132327, 137228, 142506, 147030, 158340, 159705, 171535, 176436, 203580, 205842, 212940, 220545, 237510, 264654, 285012, 294060, 308763, 319410, 343070, 356265, 411684, 441090, 475020, 514605, 529308, 617526, 638820, 661635, 686140, 712530, 882180, 926289, 1029210, 1235052, 1323270, 1425060, 1543815, 1852578, 2058420, 2646540, 3087630, 3705156, 4631445, 6175260, 9262890, 18525780]

約数ペア:

[(1, 18525780), (2, 9262890), (3, 6175260), (4, 4631445), (5, 3705156), (6, 3087630), (7, 2646540), (9, 2058420), (10, 1852578), (12, 1543815), (13, 1425060), (14, 1323270), (15, 1235052), (18, 1029210), (20, 926289), (21, 882180), (26, 712530), (27, 686140), (28, 661635), (29, 638820), (30, 617526), (35, 529308), (36, 514605), (39, 475020), (42, 441090), (45, 411684), (52, 356265), (54, 343070), (58, 319410), (60, 308763), (63, 294060), (65, 285012), (70, 264654), (78, 237510), (84, 220545), (87, 212940), (90, 205842), (91, 203580), (105, 176436), (108, 171535), (116, 159705), (117, 158340), (126, 147030), (130, 142506), (135, 137228), (140, 132327), (145, 127764), (156, 118755), (169, 109620), (174, 106470), (180, 102921), (182, 101790), (189, 98020), (195, 95004), (203, 91260), (210, 88218), (234, 79170), (252, 73515), (260, 71253), (261, 70980), (270, 68614), (273, 67860), (290, 63882), (315, 58812), (338, 54810), (348, 53235), (351, 52780), (364, 50895), (377, 49140), (378, 49010), (390, 47502), (406, 45630), (420, 44109), (435, 42588), (455, 40716), (468, 39585), (507, 36540), (522, 35490), (540, 34307), (546, 33930), (580, 31941), (585, 31668), (609, 30420), (630, 29406), (676, 27405), (702, 26390), (754, 24570), (756, 24505), (780, 23751), (783, 23660), (812, 22815), (819, 22620), (845, 21924), (870, 21294), (910, 20358), (945, 19604), (1014, 18270), (1015, 18252), (1044, 17745), (1092, 16965), (1131, 16380), (1170, 15834), (1183, 15660), (1218, 15210), (1260, 14703), (1305, 14196), (1365, 13572), (1404, 13195), (1508, 12285), (1521, 12180), (1566, 11830), (1638, 11310), (1690, 10962), (1740, 10647), (1755, 10556), (1820, 10179), (1827, 10140), (1885, 9828), (1890, 9802), (2028, 9135), (2030, 9126), (2262, 8190), (2340, 7917), (2366, 7830), (2436, 7605), (2457, 7540), (2535, 7308), (2610, 7098), (2639, 7020), (2730, 6786), (3042, 6090), (3045, 6084), (3132, 5915), (3276, 5655), (3380, 5481), (3393, 5460), (3510, 5278), (3549, 5220), (3654, 5070), (3770, 4914), (3780, 4901), (3915, 4732), (4060, 4563), (4095, 4524)]