261871740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:301

約数の個数: 288

約数和(自身を含む): 941129280

約数和(自身を除く): 679257540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 29, 30, 34, 36, 39, 45, 51, 52, 58, 60, 65, 68, 78, 85, 87, 90, 102, 116, 117, 130, 145, 153, 156, 170, 174, 180, 195, 204, 221, 227, 234, 255, 260, 261, 290, 306, 340, 348, 377, 390, 435, 442, 454, 468, 493, 510, 522, 580, 585, 612, 663, 681, 754, 765, 780, 870, 884, 908, 986, 1020, 1044, 1105, 1131, 1135, 1170, 1305, 1326, 1362, 1479, 1508, 1530, 1740, 1885, 1972, 1989, 2043, 2210, 2262, 2270, 2340, 2465, 2610, 2652, 2724, 2951, 2958, 3060, 3315, 3393, 3405, 3770, 3859, 3978, 4086, 4420, 4437, 4524, 4540, 4930, 5220, 5655, 5902, 5916, 6409, 6583, 6630, 6786, 6810, 7395, 7540, 7718, 7956, 8172, 8853, 8874, 9860, 9945, 10215, 11310, 11577, 11804, 12818, 13166, 13260, 13572, 13620, 14755, 14790, 15436, 16965, 17706, 17748, 19227, 19295, 19749, 19890, 20430, 22185, 22620, 23154, 25636, 26332, 26559, 29510, 29580, 32045, 32915, 33930, 34731, 35412, 38454, 38590, 39498, 39780, 40860, 44265, 44370, 46308, 50167, 53118, 57681, 57885, 59020, 59247, 64090, 65830, 67860, 69462, 76908, 77180, 78996, 85579, 88530, 88740, 96135, 98745, 100334, 106236, 111911, 115362, 115770, 118494, 128180, 131660, 132795, 138924, 150501, 171158, 173655, 177060, 192270, 197490, 200668, 223822, 230724, 231540, 236988, 250835, 256737, 265590, 288405, 296235, 301002, 335733, 342316, 347310, 384540, 394980, 427895, 447644, 451503, 501670, 513474, 531180, 559555, 576810, 592470, 602004, 671466, 694620, 752505, 770211, 855790, 903006, 1003340, 1007199, 1026948, 1119110, 1153620, 1184940, 1283685, 1342932, 1454843, 1505010, 1540422, 1678665, 1711580, 1806012, 2014398, 2238220, 2257515, 2567370, 2909686, 3010020, 3080844, 3357330, 3851055, 4028796, 4364529, 4515030, 5035995, 5134740, 5819372, 6714660, 7274215, 7702110, 8729058, 9030060, 10071990, 13093587, 14548430, 15404220, 17458116, 20143980, 21822645, 26187174, 29096860, 43645290, 52374348, 65467935, 87290580, 130935870, 261871740]

約数ペア:

[(1, 261871740), (2, 130935870), (3, 87290580), (4, 65467935), (5, 52374348), (6, 43645290), (9, 29096860), (10, 26187174), (12, 21822645), (13, 20143980), (15, 17458116), (17, 15404220), (18, 14548430), (20, 13093587), (26, 10071990), (29, 9030060), (30, 8729058), (34, 7702110), (36, 7274215), (39, 6714660), (45, 5819372), (51, 5134740), (52, 5035995), (58, 4515030), (60, 4364529), (65, 4028796), (68, 3851055), (78, 3357330), (85, 3080844), (87, 3010020), (90, 2909686), (102, 2567370), (116, 2257515), (117, 2238220), (130, 2014398), (145, 1806012), (153, 1711580), (156, 1678665), (170, 1540422), (174, 1505010), (180, 1454843), (195, 1342932), (204, 1283685), (221, 1184940), (227, 1153620), (234, 1119110), (255, 1026948), (260, 1007199), (261, 1003340), (290, 903006), (306, 855790), (340, 770211), (348, 752505), (377, 694620), (390, 671466), (435, 602004), (442, 592470), (454, 576810), (468, 559555), (493, 531180), (510, 513474), (522, 501670), (580, 451503), (585, 447644), (612, 427895), (663, 394980), (681, 384540), (754, 347310), (765, 342316), (780, 335733), (870, 301002), (884, 296235), (908, 288405), (986, 265590), (1020, 256737), (1044, 250835), (1105, 236988), (1131, 231540), (1135, 230724), (1170, 223822), (1305, 200668), (1326, 197490), (1362, 192270), (1479, 177060), (1508, 173655), (1530, 171158), (1740, 150501), (1885, 138924), (1972, 132795), (1989, 131660), (2043, 128180), (2210, 118494), (2262, 115770), (2270, 115362), (2340, 111911), (2465, 106236), (2610, 100334), (2652, 98745), (2724, 96135), (2951, 88740), (2958, 88530), (3060, 85579), (3315, 78996), (3393, 77180), (3405, 76908), (3770, 69462), (3859, 67860), (3978, 65830), (4086, 64090), (4420, 59247), (4437, 59020), (4524, 57885), (4540, 57681), (4930, 53118), (5220, 50167), (5655, 46308), (5902, 44370), (5916, 44265), (6409, 40860), (6583, 39780), (6630, 39498), (6786, 38590), (6810, 38454), (7395, 35412), (7540, 34731), (7718, 33930), (7956, 32915), (8172, 32045), (8853, 29580), (8874, 29510), (9860, 26559), (9945, 26332), (10215, 25636), (11310, 23154), (11577, 22620), (11804, 22185), (12818, 20430), (13166, 19890), (13260, 19749), (13572, 19295), (13620, 19227), (14755, 17748), (14790, 17706), (15436, 16965)]