228638640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:515

約数の個数: 160

約数和(自身を含む): 742809600

約数和(自身を除く): 514170960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 79, 80, 93, 120, 124, 155, 158, 186, 237, 240, 248, 310, 316, 372, 389, 395, 465, 474, 496, 620, 632, 744, 778, 790, 930, 948, 1167, 1185, 1240, 1264, 1488, 1556, 1580, 1860, 1896, 1945, 2334, 2370, 2449, 2480, 3112, 3160, 3720, 3792, 3890, 4668, 4740, 4898, 5835, 6224, 6320, 7347, 7440, 7780, 9336, 9480, 9796, 11670, 12059, 12245, 14694, 15560, 18672, 18960, 19592, 23340, 24118, 24490, 29388, 30731, 31120, 36177, 36735, 39184, 46680, 48236, 48980, 58776, 60295, 61462, 72354, 73470, 92193, 93360, 96472, 97960, 117552, 120590, 122924, 144708, 146940, 153655, 180885, 184386, 192944, 195920, 241180, 245848, 289416, 293880, 307310, 361770, 368772, 460965, 482360, 491696, 578832, 587760, 614620, 723540, 737544, 921930, 952661, 964720, 1229240, 1447080, 1475088, 1843860, 1905322, 2458480, 2857983, 2894160, 3687720, 3810644, 4763305, 5715966, 7375440, 7621288, 9526610, 11431932, 14289915, 15242576, 19053220, 22863864, 28579830, 38106440, 45727728, 57159660, 76212880, 114319320, 228638640]

約数ペア:

[(1, 228638640), (2, 114319320), (3, 76212880), (4, 57159660), (5, 45727728), (6, 38106440), (8, 28579830), (10, 22863864), (12, 19053220), (15, 15242576), (16, 14289915), (20, 11431932), (24, 9526610), (30, 7621288), (31, 7375440), (40, 5715966), (48, 4763305), (60, 3810644), (62, 3687720), (79, 2894160), (80, 2857983), (93, 2458480), (120, 1905322), (124, 1843860), (155, 1475088), (158, 1447080), (186, 1229240), (237, 964720), (240, 952661), (248, 921930), (310, 737544), (316, 723540), (372, 614620), (389, 587760), (395, 578832), (465, 491696), (474, 482360), (496, 460965), (620, 368772), (632, 361770), (744, 307310), (778, 293880), (790, 289416), (930, 245848), (948, 241180), (1167, 195920), (1185, 192944), (1240, 184386), (1264, 180885), (1488, 153655), (1556, 146940), (1580, 144708), (1860, 122924), (1896, 120590), (1945, 117552), (2334, 97960), (2370, 96472), (2449, 93360), (2480, 92193), (3112, 73470), (3160, 72354), (3720, 61462), (3792, 60295), (3890, 58776), (4668, 48980), (4740, 48236), (4898, 46680), (5835, 39184), (6224, 36735), (6320, 36177), (7347, 31120), (7440, 30731), (7780, 29388), (9336, 24490), (9480, 24118), (9796, 23340), (11670, 19592), (12059, 18960), (12245, 18672), (14694, 15560)]