129887440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{967}}^1$

素因数の和:1076

約数の個数: 80

約数和(自身を含む): 319765248

約数和(自身を除く): 189877808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 73, 80, 92, 115, 146, 184, 230, 292, 365, 368, 460, 584, 730, 920, 967, 1168, 1460, 1679, 1840, 1934, 2920, 3358, 3868, 4835, 5840, 6716, 7736, 8395, 9670, 13432, 15472, 16790, 19340, 22241, 26864, 33580, 38680, 44482, 67160, 70591, 77360, 88964, 111205, 134320, 141182, 177928, 222410, 282364, 352955, 355856, 444820, 564728, 705910, 889640, 1129456, 1411820, 1623593, 1779280, 2823640, 3247186, 5647280, 6494372, 8117965, 12988744, 16235930, 25977488, 32471860, 64943720, 129887440]

約数ペア:

[(1, 129887440), (2, 64943720), (4, 32471860), (5, 25977488), (8, 16235930), (10, 12988744), (16, 8117965), (20, 6494372), (23, 5647280), (40, 3247186), (46, 2823640), (73, 1779280), (80, 1623593), (92, 1411820), (115, 1129456), (146, 889640), (184, 705910), (230, 564728), (292, 444820), (365, 355856), (368, 352955), (460, 282364), (584, 222410), (730, 177928), (920, 141182), (967, 134320), (1168, 111205), (1460, 88964), (1679, 77360), (1840, 70591), (1934, 67160), (2920, 44482), (3358, 38680), (3868, 33580), (4835, 26864), (5840, 22241), (6716, 19340), (7736, 16790), (8395, 15472), (9670, 13432)]