868945280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2657}}^1$

素因数の和:2756

約数の個数: 128

約数和(自身を含む): 2407510080

約数和(自身を除く): 1538564800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 640, 730, 896, 1022, 1120, 1168, 1460, 2044, 2240, 2336, 2555, 2657, 2920, 4088, 4480, 4672, 5110, 5314, 5840, 8176, 9344, 10220, 10628, 11680, 13285, 16352, 18599, 20440, 21256, 23360, 26570, 32704, 37198, 40880, 42512, 46720, 53140, 65408, 74396, 81760, 85024, 92995, 106280, 148792, 163520, 170048, 185990, 193961, 212560, 297584, 327040, 340096, 371980, 387922, 425120, 595168, 743960, 775844, 850240, 969805, 1190336, 1357727, 1487920, 1551688, 1700480, 1939610, 2380672, 2715454, 2975840, 3103376, 3879220, 5430908, 5951680, 6206752, 6788635, 7758440, 10861816, 11903360, 12413504, 13577270, 15516880, 21723632, 24827008, 27154540, 31033760, 43447264, 54309080, 62067520, 86894528, 108618160, 124135040, 173789056, 217236320, 434472640, 868945280]

約数ペア:

[(1, 868945280), (2, 434472640), (4, 217236320), (5, 173789056), (7, 124135040), (8, 108618160), (10, 86894528), (14, 62067520), (16, 54309080), (20, 43447264), (28, 31033760), (32, 27154540), (35, 24827008), (40, 21723632), (56, 15516880), (64, 13577270), (70, 12413504), (73, 11903360), (80, 10861816), (112, 7758440), (128, 6788635), (140, 6206752), (146, 5951680), (160, 5430908), (224, 3879220), (280, 3103376), (292, 2975840), (320, 2715454), (365, 2380672), (448, 1939610), (511, 1700480), (560, 1551688), (584, 1487920), (640, 1357727), (730, 1190336), (896, 969805), (1022, 850240), (1120, 775844), (1168, 743960), (1460, 595168), (2044, 425120), (2240, 387922), (2336, 371980), (2555, 340096), (2657, 327040), (2920, 297584), (4088, 212560), (4480, 193961), (4672, 185990), (5110, 170048), (5314, 163520), (5840, 148792), (8176, 106280), (9344, 92995), (10220, 85024), (10628, 81760), (11680, 74396), (13285, 65408), (16352, 53140), (18599, 46720), (20440, 42512), (21256, 40880), (23360, 37198), (26570, 32704)]