640367104

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 160

約数和(自身を含む): 1484904960

約数和(自身を除く): 844537856

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 47, 52, 64, 89, 92, 94, 104, 128, 178, 184, 188, 208, 256, 299, 356, 368, 376, 416, 512, 598, 611, 712, 736, 752, 832, 1081, 1157, 1196, 1222, 1424, 1472, 1504, 1664, 2047, 2162, 2314, 2392, 2444, 2848, 2944, 3008, 3328, 4094, 4183, 4324, 4628, 4784, 4888, 5696, 5888, 6016, 6656, 8188, 8366, 8648, 9256, 9568, 9776, 11392, 11776, 12032, 14053, 16376, 16732, 17296, 18512, 19136, 19552, 22784, 24064, 26611, 28106, 32752, 33464, 34592, 37024, 38272, 39104, 45568, 53222, 54379, 56212, 65504, 66928, 69184, 74048, 76544, 78208, 96209, 106444, 108758, 112424, 131008, 133856, 138368, 148096, 153088, 156416, 192418, 212888, 217516, 224848, 262016, 267712, 276736, 296192, 312832, 384836, 425776, 435032, 449696, 524032, 535424, 553472, 592384, 769672, 851552, 870064, 899392, 1048064, 1070848, 1250717, 1539344, 1703104, 1740128, 1798784, 2141696, 2501434, 3078688, 3406208, 3480256, 3597568, 5002868, 6157376, 6812416, 6960512, 7195136, 10005736, 12314752, 13624832, 13921024, 20011472, 24629504, 27842048, 40022944, 49259008, 80045888, 160091776, 320183552, 640367104]

約数ペア:

[(1, 640367104), (2, 320183552), (4, 160091776), (8, 80045888), (13, 49259008), (16, 40022944), (23, 27842048), (26, 24629504), (32, 20011472), (46, 13921024), (47, 13624832), (52, 12314752), (64, 10005736), (89, 7195136), (92, 6960512), (94, 6812416), (104, 6157376), (128, 5002868), (178, 3597568), (184, 3480256), (188, 3406208), (208, 3078688), (256, 2501434), (299, 2141696), (356, 1798784), (368, 1740128), (376, 1703104), (416, 1539344), (512, 1250717), (598, 1070848), (611, 1048064), (712, 899392), (736, 870064), (752, 851552), (832, 769672), (1081, 592384), (1157, 553472), (1196, 535424), (1222, 524032), (1424, 449696), (1472, 435032), (1504, 425776), (1664, 384836), (2047, 312832), (2162, 296192), (2314, 276736), (2392, 267712), (2444, 262016), (2848, 224848), (2944, 217516), (3008, 212888), (3328, 192418), (4094, 156416), (4183, 153088), (4324, 148096), (4628, 138368), (4784, 133856), (4888, 131008), (5696, 112424), (5888, 108758), (6016, 106444), (6656, 96209), (8188, 78208), (8366, 76544), (8648, 74048), (9256, 69184), (9568, 66928), (9776, 65504), (11392, 56212), (11776, 54379), (12032, 53222), (14053, 45568), (16376, 39104), (16732, 38272), (17296, 37024), (18512, 34592), (19136, 33464), (19552, 32752), (22784, 28106), (24064, 26611)]