1205900120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{13513}}^1$

素因数の和:13644

約数の個数: 64

約数和(自身を含む): 2860643520

約数和(自身を除く): 1654743400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 97, 115, 184, 194, 230, 388, 460, 485, 776, 920, 970, 1940, 2231, 3880, 4462, 8924, 11155, 13513, 17848, 22310, 27026, 44620, 54052, 67565, 89240, 108104, 135130, 270260, 310799, 540520, 621598, 1243196, 1310761, 1553995, 2486392, 2621522, 3107990, 5243044, 6215980, 6553805, 10486088, 12431960, 13107610, 26215220, 30147503, 52430440, 60295006, 120590012, 150737515, 241180024, 301475030, 602950060, 1205900120]

約数ペア:

[(1, 1205900120), (2, 602950060), (4, 301475030), (5, 241180024), (8, 150737515), (10, 120590012), (20, 60295006), (23, 52430440), (40, 30147503), (46, 26215220), (92, 13107610), (97, 12431960), (115, 10486088), (184, 6553805), (194, 6215980), (230, 5243044), (388, 3107990), (460, 2621522), (485, 2486392), (776, 1553995), (920, 1310761), (970, 1243196), (1940, 621598), (2231, 540520), (3880, 310799), (4462, 270260), (8924, 135130), (11155, 108104), (13513, 89240), (17848, 67565), (22310, 54052), (27026, 44620)]