123452640

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2$

素因数の和:123

約数の個数: 288

約数和(自身を含む): 468931680

約数和(自身を除く): 345479040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 41, 45, 48, 51, 54, 60, 68, 72, 80, 82, 85, 90, 96, 102, 108, 120, 123, 135, 136, 144, 153, 160, 164, 170, 180, 204, 205, 216, 240, 246, 255, 270, 272, 288, 306, 328, 340, 360, 369, 408, 410, 432, 459, 480, 492, 510, 540, 544, 612, 615, 656, 680, 697, 720, 738, 765, 816, 820, 864, 918, 984, 1020, 1080, 1107, 1224, 1230, 1312, 1360, 1394, 1440, 1476, 1530, 1632, 1640, 1681, 1836, 1845, 1968, 2040, 2091, 2160, 2214, 2295, 2448, 2460, 2720, 2788, 2952, 3060, 3280, 3362, 3485, 3672, 3690, 3936, 4080, 4182, 4320, 4428, 4590, 4896, 4920, 5043, 5535, 5576, 5904, 6120, 6273, 6560, 6724, 6970, 7344, 7380, 8160, 8364, 8405, 8856, 9180, 9840, 10086, 10455, 11070, 11152, 11808, 12240, 12546, 13448, 13940, 14688, 14760, 15129, 16728, 16810, 17712, 18360, 18819, 19680, 20172, 20910, 22140, 22304, 24480, 25092, 25215, 26896, 27880, 28577, 29520, 30258, 31365, 33456, 33620, 35424, 36720, 37638, 40344, 41820, 44280, 45387, 50184, 50430, 53792, 55760, 57154, 59040, 60516, 62730, 66912, 67240, 73440, 75276, 75645, 80688, 83640, 85731, 88560, 90774, 94095, 100368, 100860, 111520, 114308, 121032, 125460, 134480, 142885, 150552, 151290, 161376, 167280, 171462, 177120, 181548, 188190, 200736, 201720, 226935, 228616, 242064, 250920, 257193, 268960, 285770, 301104, 302580, 334560, 342924, 363096, 376380, 403440, 428655, 453870, 457232, 484128, 501840, 514386, 571540, 602208, 605160, 685848, 726192, 752760, 771579, 806880, 857310, 907740, 914464, 1003680, 1028772, 1143080, 1210320, 1285965, 1371696, 1452384, 1505520, 1543158, 1714620, 1815480, 2057544, 2286160, 2420640, 2571930, 2743392, 3011040, 3086316, 3429240, 3630960, 3857895, 4115088, 4572320, 5143860, 6172632, 6858480, 7261920, 7715790, 8230176, 10287720, 12345264, 13716960, 15431580, 20575440, 24690528, 30863160, 41150880, 61726320, 123452640]

約数ペア:

[(1, 123452640), (2, 61726320), (3, 41150880), (4, 30863160), (5, 24690528), (6, 20575440), (8, 15431580), (9, 13716960), (10, 12345264), (12, 10287720), (15, 8230176), (16, 7715790), (17, 7261920), (18, 6858480), (20, 6172632), (24, 5143860), (27, 4572320), (30, 4115088), (32, 3857895), (34, 3630960), (36, 3429240), (40, 3086316), (41, 3011040), (45, 2743392), (48, 2571930), (51, 2420640), (54, 2286160), (60, 2057544), (68, 1815480), (72, 1714620), (80, 1543158), (82, 1505520), (85, 1452384), (90, 1371696), (96, 1285965), (102, 1210320), (108, 1143080), (120, 1028772), (123, 1003680), (135, 914464), (136, 907740), (144, 857310), (153, 806880), (160, 771579), (164, 752760), (170, 726192), (180, 685848), (204, 605160), (205, 602208), (216, 571540), (240, 514386), (246, 501840), (255, 484128), (270, 457232), (272, 453870), (288, 428655), (306, 403440), (328, 376380), (340, 363096), (360, 342924), (369, 334560), (408, 302580), (410, 301104), (432, 285770), (459, 268960), (480, 257193), (492, 250920), (510, 242064), (540, 228616), (544, 226935), (612, 201720), (615, 200736), (656, 188190), (680, 181548), (697, 177120), (720, 171462), (738, 167280), (765, 161376), (816, 151290), (820, 150552), (864, 142885), (918, 134480), (984, 125460), (1020, 121032), (1080, 114308), (1107, 111520), (1224, 100860), (1230, 100368), (1312, 94095), (1360, 90774), (1394, 88560), (1440, 85731), (1476, 83640), (1530, 80688), (1632, 75645), (1640, 75276), (1681, 73440), (1836, 67240), (1845, 66912), (1968, 62730), (2040, 60516), (2091, 59040), (2160, 57154), (2214, 55760), (2295, 53792), (2448, 50430), (2460, 50184), (2720, 45387), (2788, 44280), (2952, 41820), (3060, 40344), (3280, 37638), (3362, 36720), (3485, 35424), (3672, 33620), (3690, 33456), (3936, 31365), (4080, 30258), (4182, 29520), (4320, 28577), (4428, 27880), (4590, 26896), (4896, 25215), (4920, 25092), (5043, 24480), (5535, 22304), (5576, 22140), (5904, 20910), (6120, 20172), (6273, 19680), (6560, 18819), (6724, 18360), (6970, 17712), (7344, 16810), (7380, 16728), (8160, 15129), (8364, 14760), (8405, 14688), (8856, 13940), (9180, 13448), (9840, 12546), (10086, 12240), (10455, 11808), (11070, 11152)]