172618040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:565

約数の個数: 128

約数和(自身を含む): 474854400

約数和(自身を除く): 302236360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 95, 133, 140, 142, 152, 190, 266, 280, 284, 355, 380, 457, 497, 532, 568, 665, 710, 760, 914, 994, 1064, 1330, 1349, 1420, 1828, 1988, 2285, 2485, 2660, 2698, 2840, 3199, 3656, 3976, 4570, 4970, 5320, 5396, 6398, 6745, 8683, 9140, 9443, 9940, 10792, 12796, 13490, 15995, 17366, 18280, 18886, 19880, 25592, 26980, 31990, 32447, 34732, 37772, 43415, 47215, 53960, 60781, 63980, 64894, 69464, 75544, 86830, 94430, 121562, 127960, 129788, 162235, 173660, 188860, 227129, 243124, 259576, 303905, 324470, 347320, 377720, 454258, 486248, 607810, 616493, 648940, 908516, 1135645, 1215620, 1232986, 1297880, 1817032, 2271290, 2431240, 2465972, 3082465, 4315451, 4542580, 4931944, 6164930, 8630902, 9085160, 12329860, 17261804, 21577255, 24659720, 34523608, 43154510, 86309020, 172618040]

約数ペア:

[(1, 172618040), (2, 86309020), (4, 43154510), (5, 34523608), (7, 24659720), (8, 21577255), (10, 17261804), (14, 12329860), (19, 9085160), (20, 8630902), (28, 6164930), (35, 4931944), (38, 4542580), (40, 4315451), (56, 3082465), (70, 2465972), (71, 2431240), (76, 2271290), (95, 1817032), (133, 1297880), (140, 1232986), (142, 1215620), (152, 1135645), (190, 908516), (266, 648940), (280, 616493), (284, 607810), (355, 486248), (380, 454258), (457, 377720), (497, 347320), (532, 324470), (568, 303905), (665, 259576), (710, 243124), (760, 227129), (914, 188860), (994, 173660), (1064, 162235), (1330, 129788), (1349, 127960), (1420, 121562), (1828, 94430), (1988, 86830), (2285, 75544), (2485, 69464), (2660, 64894), (2698, 63980), (2840, 60781), (3199, 53960), (3656, 47215), (3976, 43415), (4570, 37772), (4970, 34732), (5320, 32447), (5396, 31990), (6398, 26980), (6745, 25592), (8683, 19880), (9140, 18886), (9443, 18280), (9940, 17366), (10792, 15995), (12796, 13490)]