87392480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 245107296

約数和(自身を除く): 157714816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 157, 160, 196, 224, 245, 280, 284, 314, 355, 392, 490, 497, 560, 568, 628, 710, 784, 785, 980, 994, 1099, 1120, 1136, 1256, 1420, 1568, 1570, 1960, 1988, 2198, 2272, 2485, 2512, 2840, 3140, 3479, 3920, 3976, 4396, 4970, 5024, 5495, 5680, 6280, 6958, 7693, 7840, 7952, 8792, 9940, 10990, 11147, 11360, 12560, 13916, 15386, 15904, 17395, 17584, 19880, 21980, 22294, 25120, 27832, 30772, 34790, 35168, 38465, 39760, 43960, 44588, 55664, 55735, 61544, 69580, 76930, 78029, 79520, 87920, 89176, 111328, 111470, 123088, 139160, 153860, 156058, 175840, 178352, 222940, 246176, 278320, 307720, 312116, 356704, 390145, 445880, 546203, 556640, 615440, 624232, 780290, 891760, 1092406, 1230880, 1248464, 1560580, 1783520, 2184812, 2496928, 2731015, 3121160, 4369624, 5462030, 6242320, 8739248, 10924060, 12484640, 17478496, 21848120, 43696240, 87392480]

約数ペア:

[(1, 87392480), (2, 43696240), (4, 21848120), (5, 17478496), (7, 12484640), (8, 10924060), (10, 8739248), (14, 6242320), (16, 5462030), (20, 4369624), (28, 3121160), (32, 2731015), (35, 2496928), (40, 2184812), (49, 1783520), (56, 1560580), (70, 1248464), (71, 1230880), (80, 1092406), (98, 891760), (112, 780290), (140, 624232), (142, 615440), (157, 556640), (160, 546203), (196, 445880), (224, 390145), (245, 356704), (280, 312116), (284, 307720), (314, 278320), (355, 246176), (392, 222940), (490, 178352), (497, 175840), (560, 156058), (568, 153860), (628, 139160), (710, 123088), (784, 111470), (785, 111328), (980, 89176), (994, 87920), (1099, 79520), (1120, 78029), (1136, 76930), (1256, 69580), (1420, 61544), (1568, 55735), (1570, 55664), (1960, 44588), (1988, 43960), (2198, 39760), (2272, 38465), (2485, 35168), (2512, 34790), (2840, 30772), (3140, 27832), (3479, 25120), (3920, 22294), (3976, 21980), (4396, 19880), (4970, 17584), (5024, 17395), (5495, 15904), (5680, 15386), (6280, 13916), (6958, 12560), (7693, 11360), (7840, 11147), (7952, 10990), (8792, 9940)]