31504860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{967}}^1$

素因数の和:1163

約数の個数: 72

約数和(自身を含む): 96192096

約数和(自身を除く): 64687236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 967, 1086, 1629, 1810, 1934, 2172, 2715, 2901, 3258, 3620, 3868, 4835, 5430, 5802, 6516, 8145, 8703, 9670, 10860, 11604, 14505, 16290, 17406, 19340, 29010, 32580, 34812, 43515, 58020, 87030, 174060, 175027, 350054, 525081, 700108, 875135, 1050162, 1575243, 1750270, 2100324, 2625405, 3150486, 3500540, 5250810, 6300972, 7876215, 10501620, 15752430, 31504860]

約数ペア:

[(1, 31504860), (2, 15752430), (3, 10501620), (4, 7876215), (5, 6300972), (6, 5250810), (9, 3500540), (10, 3150486), (12, 2625405), (15, 2100324), (18, 1750270), (20, 1575243), (30, 1050162), (36, 875135), (45, 700108), (60, 525081), (90, 350054), (180, 175027), (181, 174060), (362, 87030), (543, 58020), (724, 43515), (905, 34812), (967, 32580), (1086, 29010), (1629, 19340), (1810, 17406), (1934, 16290), (2172, 14505), (2715, 11604), (2901, 10860), (3258, 9670), (3620, 8703), (3868, 8145), (4835, 6516), (5430, 5802)]