78478160

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:372

約数の個数: 80

約数和(自身を含む): 188987904

約数和(自身を除く): 110509744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 83, 106, 166, 212, 223, 265, 332, 415, 424, 446, 530, 664, 830, 848, 892, 1060, 1115, 1328, 1660, 1784, 2120, 2230, 3320, 3568, 4240, 4399, 4460, 6640, 8798, 8920, 11819, 17596, 17840, 18509, 21995, 23638, 35192, 37018, 43990, 47276, 59095, 70384, 74036, 87980, 92545, 94552, 118190, 148072, 175960, 185090, 189104, 236380, 296144, 351920, 370180, 472760, 740360, 945520, 980977, 1480720, 1961954, 3923908, 4904885, 7847816, 9809770, 15695632, 19619540, 39239080, 78478160]

約数ペア:

[(1, 78478160), (2, 39239080), (4, 19619540), (5, 15695632), (8, 9809770), (10, 7847816), (16, 4904885), (20, 3923908), (40, 1961954), (53, 1480720), (80, 980977), (83, 945520), (106, 740360), (166, 472760), (212, 370180), (223, 351920), (265, 296144), (332, 236380), (415, 189104), (424, 185090), (446, 175960), (530, 148072), (664, 118190), (830, 94552), (848, 92545), (892, 87980), (1060, 74036), (1115, 70384), (1328, 59095), (1660, 47276), (1784, 43990), (2120, 37018), (2230, 35192), (3320, 23638), (3568, 21995), (4240, 18509), (4399, 17840), (4460, 17596), (6640, 11819), (8798, 8920)]