254180640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 288

約数和(自身を含む): 949402944

約数和(自身を除く): 695222304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 101, 105, 107, 112, 120, 140, 147, 160, 168, 196, 202, 210, 214, 224, 240, 245, 280, 294, 303, 321, 336, 392, 404, 420, 428, 480, 490, 505, 535, 560, 588, 606, 642, 672, 707, 735, 749, 784, 808, 840, 856, 980, 1010, 1070, 1120, 1176, 1212, 1284, 1414, 1470, 1498, 1515, 1568, 1605, 1616, 1680, 1712, 1960, 2020, 2121, 2140, 2247, 2352, 2424, 2568, 2828, 2940, 2996, 3030, 3210, 3232, 3360, 3424, 3535, 3745, 3920, 4040, 4242, 4280, 4494, 4704, 4848, 4949, 5136, 5243, 5656, 5880, 5992, 6060, 6420, 7070, 7490, 7840, 8080, 8484, 8560, 8988, 9696, 9898, 10272, 10486, 10605, 10807, 11235, 11312, 11760, 11984, 12120, 12840, 14140, 14847, 14980, 15729, 16160, 16968, 17120, 17976, 19796, 20972, 21210, 21614, 22470, 22624, 23520, 23968, 24240, 24745, 25680, 26215, 28280, 29694, 29960, 31458, 32421, 33936, 35952, 39592, 41944, 42420, 43228, 44940, 48480, 49490, 51360, 52430, 54035, 56560, 59388, 59920, 62916, 64842, 67872, 71904, 74235, 75649, 78645, 79184, 83888, 84840, 86456, 89880, 98980, 104860, 108070, 113120, 118776, 119840, 125832, 129684, 148470, 151298, 157290, 158368, 162105, 167776, 169680, 172912, 179760, 197960, 209720, 216140, 226947, 237552, 251664, 259368, 296940, 302596, 314580, 324210, 339360, 345824, 359520, 378245, 395920, 419440, 432280, 453894, 475104, 503328, 518736, 529543, 593880, 605192, 629160, 648420, 756490, 791840, 838880, 864560, 907788, 1037472, 1059086, 1134735, 1187760, 1210384, 1258320, 1296840, 1512980, 1588629, 1729120, 1815576, 2118172, 2269470, 2375520, 2420768, 2516640, 2593680, 2647715, 3025960, 3177258, 3631152, 4236344, 4538940, 5187360, 5295430, 6051920, 6354516, 7262304, 7943145, 8472688, 9077880, 10590860, 12103840, 12709032, 15886290, 16945376, 18155760, 21181720, 25418064, 31772580, 36311520, 42363440, 50836128, 63545160, 84726880, 127090320, 254180640]

約数ペア:

[(1, 254180640), (2, 127090320), (3, 84726880), (4, 63545160), (5, 50836128), (6, 42363440), (7, 36311520), (8, 31772580), (10, 25418064), (12, 21181720), (14, 18155760), (15, 16945376), (16, 15886290), (20, 12709032), (21, 12103840), (24, 10590860), (28, 9077880), (30, 8472688), (32, 7943145), (35, 7262304), (40, 6354516), (42, 6051920), (48, 5295430), (49, 5187360), (56, 4538940), (60, 4236344), (70, 3631152), (80, 3177258), (84, 3025960), (96, 2647715), (98, 2593680), (101, 2516640), (105, 2420768), (107, 2375520), (112, 2269470), (120, 2118172), (140, 1815576), (147, 1729120), (160, 1588629), (168, 1512980), (196, 1296840), (202, 1258320), (210, 1210384), (214, 1187760), (224, 1134735), (240, 1059086), (245, 1037472), (280, 907788), (294, 864560), (303, 838880), (321, 791840), (336, 756490), (392, 648420), (404, 629160), (420, 605192), (428, 593880), (480, 529543), (490, 518736), (505, 503328), (535, 475104), (560, 453894), (588, 432280), (606, 419440), (642, 395920), (672, 378245), (707, 359520), (735, 345824), (749, 339360), (784, 324210), (808, 314580), (840, 302596), (856, 296940), (980, 259368), (1010, 251664), (1070, 237552), (1120, 226947), (1176, 216140), (1212, 209720), (1284, 197960), (1414, 179760), (1470, 172912), (1498, 169680), (1515, 167776), (1568, 162105), (1605, 158368), (1616, 157290), (1680, 151298), (1712, 148470), (1960, 129684), (2020, 125832), (2121, 119840), (2140, 118776), (2247, 113120), (2352, 108070), (2424, 104860), (2568, 98980), (2828, 89880), (2940, 86456), (2996, 84840), (3030, 83888), (3210, 79184), (3232, 78645), (3360, 75649), (3424, 74235), (3535, 71904), (3745, 67872), (3920, 64842), (4040, 62916), (4242, 59920), (4280, 59388), (4494, 56560), (4704, 54035), (4848, 52430), (4949, 51360), (5136, 49490), (5243, 48480), (5656, 44940), (5880, 43228), (5992, 42420), (6060, 41944), (6420, 39592), (7070, 35952), (7490, 33936), (7840, 32421), (8080, 31458), (8484, 29960), (8560, 29694), (8988, 28280), (9696, 26215), (9898, 25680), (10272, 24745), (10486, 24240), (10605, 23968), (10807, 23520), (11235, 22624), (11312, 22470), (11760, 21614), (11984, 21210), (12120, 20972), (12840, 19796), (14140, 17976), (14847, 17120), (14980, 16968), (15729, 16160)]