72459540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21187}}^1$

素因数の和:21221

約数の個数: 72

約数和(自身を含む): 231372960

約数和(自身を除く): 158913420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 21187, 42374, 63561, 84748, 105935, 127122, 190683, 211870, 254244, 317805, 381366, 402553, 423740, 635610, 762732, 805106, 953415, 1207659, 1271220, 1610212, 1906830, 2012765, 2415318, 3622977, 3813660, 4025530, 4830636, 6038295, 7245954, 8051060, 12076590, 14491908, 18114885, 24153180, 36229770, 72459540]

約数ペア:

[(1, 72459540), (2, 36229770), (3, 24153180), (4, 18114885), (5, 14491908), (6, 12076590), (9, 8051060), (10, 7245954), (12, 6038295), (15, 4830636), (18, 4025530), (19, 3813660), (20, 3622977), (30, 2415318), (36, 2012765), (38, 1906830), (45, 1610212), (57, 1271220), (60, 1207659), (76, 953415), (90, 805106), (95, 762732), (114, 635610), (171, 423740), (180, 402553), (190, 381366), (228, 317805), (285, 254244), (342, 211870), (380, 190683), (570, 127122), (684, 105935), (855, 84748), (1140, 63561), (1710, 42374), (3420, 21187)]