261803880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 256

約数和(自身を含む): 973728000

約数和(自身を除く): 711924120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 29, 30, 36, 39, 40, 45, 52, 54, 58, 60, 65, 72, 78, 87, 90, 104, 108, 116, 117, 120, 130, 135, 145, 156, 174, 180, 195, 216, 232, 234, 260, 261, 270, 290, 312, 348, 351, 360, 377, 390, 435, 468, 520, 522, 540, 580, 585, 643, 696, 702, 754, 780, 783, 870, 936, 1044, 1080, 1131, 1160, 1170, 1286, 1305, 1404, 1508, 1560, 1566, 1740, 1755, 1885, 1929, 2088, 2262, 2340, 2572, 2610, 2808, 3016, 3132, 3215, 3393, 3480, 3510, 3770, 3858, 3915, 4524, 4680, 5144, 5220, 5655, 5787, 6264, 6430, 6786, 7020, 7540, 7716, 7830, 8359, 9048, 9645, 10179, 10440, 11310, 11574, 12860, 13572, 14040, 15080, 15432, 15660, 16718, 16965, 17361, 18647, 19290, 20358, 22620, 23148, 25077, 25720, 27144, 28935, 31320, 33436, 33930, 34722, 37294, 38580, 40716, 41795, 45240, 46296, 50154, 50895, 55941, 57870, 66872, 67860, 69444, 74588, 75231, 77160, 81432, 83590, 86805, 93235, 100308, 101790, 111882, 115740, 125385, 135720, 138888, 149176, 150462, 167180, 167823, 173610, 186470, 200616, 203580, 223764, 225693, 231480, 242411, 250770, 279705, 300924, 334360, 335646, 347220, 372940, 376155, 407160, 447528, 451386, 484822, 501540, 503469, 559410, 601848, 671292, 694440, 727233, 745880, 752310, 839115, 902772, 969644, 1003080, 1006938, 1118820, 1128465, 1212055, 1342584, 1454466, 1504620, 1678230, 1805544, 1939288, 2013876, 2181699, 2237640, 2256930, 2424110, 2517345, 2908932, 3009240, 3356460, 3636165, 4027752, 4363398, 4513860, 4848220, 5034690, 5817864, 6545097, 6712920, 7272330, 8726796, 9027720, 9696440, 10069380, 10908495, 13090194, 14544660, 17453592, 20138760, 21816990, 26180388, 29089320, 32725485, 43633980, 52360776, 65450970, 87267960, 130901940, 261803880]

約数ペア:

[(1, 261803880), (2, 130901940), (3, 87267960), (4, 65450970), (5, 52360776), (6, 43633980), (8, 32725485), (9, 29089320), (10, 26180388), (12, 21816990), (13, 20138760), (15, 17453592), (18, 14544660), (20, 13090194), (24, 10908495), (26, 10069380), (27, 9696440), (29, 9027720), (30, 8726796), (36, 7272330), (39, 6712920), (40, 6545097), (45, 5817864), (52, 5034690), (54, 4848220), (58, 4513860), (60, 4363398), (65, 4027752), (72, 3636165), (78, 3356460), (87, 3009240), (90, 2908932), (104, 2517345), (108, 2424110), (116, 2256930), (117, 2237640), (120, 2181699), (130, 2013876), (135, 1939288), (145, 1805544), (156, 1678230), (174, 1504620), (180, 1454466), (195, 1342584), (216, 1212055), (232, 1128465), (234, 1118820), (260, 1006938), (261, 1003080), (270, 969644), (290, 902772), (312, 839115), (348, 752310), (351, 745880), (360, 727233), (377, 694440), (390, 671292), (435, 601848), (468, 559410), (520, 503469), (522, 501540), (540, 484822), (580, 451386), (585, 447528), (643, 407160), (696, 376155), (702, 372940), (754, 347220), (780, 335646), (783, 334360), (870, 300924), (936, 279705), (1044, 250770), (1080, 242411), (1131, 231480), (1160, 225693), (1170, 223764), (1286, 203580), (1305, 200616), (1404, 186470), (1508, 173610), (1560, 167823), (1566, 167180), (1740, 150462), (1755, 149176), (1885, 138888), (1929, 135720), (2088, 125385), (2262, 115740), (2340, 111882), (2572, 101790), (2610, 100308), (2808, 93235), (3016, 86805), (3132, 83590), (3215, 81432), (3393, 77160), (3480, 75231), (3510, 74588), (3770, 69444), (3858, 67860), (3915, 66872), (4524, 57870), (4680, 55941), (5144, 50895), (5220, 50154), (5655, 46296), (5787, 45240), (6264, 41795), (6430, 40716), (6786, 38580), (7020, 37294), (7540, 34722), (7716, 33930), (7830, 33436), (8359, 31320), (9048, 28935), (9645, 27144), (10179, 25720), (10440, 25077), (11310, 23148), (11574, 22620), (12860, 20358), (13572, 19290), (14040, 18647), (15080, 17361), (15432, 16965), (15660, 16718)]