168705920

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 128

約数和(自身を含む): 429330240

約数和(自身を除く): 260624320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 73, 80, 92, 115, 128, 146, 157, 160, 184, 230, 292, 314, 320, 365, 368, 460, 584, 628, 640, 730, 736, 785, 920, 1168, 1256, 1460, 1472, 1570, 1679, 1840, 2336, 2512, 2920, 2944, 3140, 3358, 3611, 3680, 4672, 5024, 5840, 6280, 6716, 7222, 7360, 8395, 9344, 10048, 11461, 11680, 12560, 13432, 14444, 14720, 16790, 18055, 20096, 22922, 23360, 25120, 26864, 28888, 33580, 36110, 45844, 46720, 50240, 53728, 57305, 57776, 67160, 72220, 91688, 100480, 107456, 114610, 115552, 134320, 144440, 183376, 214912, 229220, 231104, 263603, 268640, 288880, 366752, 458440, 462208, 527206, 537280, 577760, 733504, 916880, 1054412, 1074560, 1155520, 1318015, 1467008, 1833760, 2108824, 2311040, 2636030, 3667520, 4217648, 5272060, 7335040, 8435296, 10544120, 16870592, 21088240, 33741184, 42176480, 84352960, 168705920]

約数ペア:

[(1, 168705920), (2, 84352960), (4, 42176480), (5, 33741184), (8, 21088240), (10, 16870592), (16, 10544120), (20, 8435296), (23, 7335040), (32, 5272060), (40, 4217648), (46, 3667520), (64, 2636030), (73, 2311040), (80, 2108824), (92, 1833760), (115, 1467008), (128, 1318015), (146, 1155520), (157, 1074560), (160, 1054412), (184, 916880), (230, 733504), (292, 577760), (314, 537280), (320, 527206), (365, 462208), (368, 458440), (460, 366752), (584, 288880), (628, 268640), (640, 263603), (730, 231104), (736, 229220), (785, 214912), (920, 183376), (1168, 144440), (1256, 134320), (1460, 115552), (1472, 114610), (1570, 107456), (1679, 100480), (1840, 91688), (2336, 72220), (2512, 67160), (2920, 57776), (2944, 57305), (3140, 53728), (3358, 50240), (3611, 46720), (3680, 45844), (4672, 36110), (5024, 33580), (5840, 28888), (6280, 26864), (6716, 25120), (7222, 23360), (7360, 22922), (8395, 20096), (9344, 18055), (10048, 16790), (11461, 14720), (11680, 14444), (12560, 13432)]