640001856

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15083}}^1$

素因数の和:15128

約数の個数: 112

約数和(自身を含む): 1930993344

約数和(自身を除く): 1290991488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 64, 68, 78, 96, 102, 104, 136, 156, 192, 204, 208, 221, 272, 312, 408, 416, 442, 544, 624, 663, 816, 832, 884, 1088, 1248, 1326, 1632, 1768, 2496, 2652, 3264, 3536, 5304, 7072, 10608, 14144, 15083, 21216, 30166, 42432, 45249, 60332, 90498, 120664, 180996, 196079, 241328, 256411, 361992, 392158, 482656, 512822, 588237, 723984, 769233, 784316, 965312, 1025644, 1176474, 1447968, 1538466, 1568632, 2051288, 2352948, 2895936, 3076932, 3137264, 3333343, 4102576, 4705896, 6153864, 6274528, 6666686, 8205152, 9411792, 10000029, 12307728, 12549056, 13333372, 16410304, 18823584, 20000058, 24615456, 26666744, 37647168, 40000116, 49230912, 53333488, 80000232, 106666976, 160000464, 213333952, 320000928, 640001856]

約数ペア:

[(1, 640001856), (2, 320000928), (3, 213333952), (4, 160000464), (6, 106666976), (8, 80000232), (12, 53333488), (13, 49230912), (16, 40000116), (17, 37647168), (24, 26666744), (26, 24615456), (32, 20000058), (34, 18823584), (39, 16410304), (48, 13333372), (51, 12549056), (52, 12307728), (64, 10000029), (68, 9411792), (78, 8205152), (96, 6666686), (102, 6274528), (104, 6153864), (136, 4705896), (156, 4102576), (192, 3333343), (204, 3137264), (208, 3076932), (221, 2895936), (272, 2352948), (312, 2051288), (408, 1568632), (416, 1538466), (442, 1447968), (544, 1176474), (624, 1025644), (663, 965312), (816, 784316), (832, 769233), (884, 723984), (1088, 588237), (1248, 512822), (1326, 482656), (1632, 392158), (1768, 361992), (2496, 256411), (2652, 241328), (3264, 196079), (3536, 180996), (5304, 120664), (7072, 90498), (10608, 60332), (14144, 45249), (15083, 42432), (21216, 30166)]