72437880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31771}}^1$

素因数の和:31804

約数の個数: 64

約数和(自身を含む): 228758400

約数和(自身を除く): 156320520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 31771, 63542, 95313, 127084, 158855, 190626, 254168, 317710, 381252, 476565, 603649, 635420, 762504, 953130, 1207298, 1270840, 1810947, 1906260, 2414596, 3018245, 3621894, 3812520, 4829192, 6036490, 7243788, 9054735, 12072980, 14487576, 18109470, 24145960, 36218940, 72437880]

約数ペア:

[(1, 72437880), (2, 36218940), (3, 24145960), (4, 18109470), (5, 14487576), (6, 12072980), (8, 9054735), (10, 7243788), (12, 6036490), (15, 4829192), (19, 3812520), (20, 3621894), (24, 3018245), (30, 2414596), (38, 1906260), (40, 1810947), (57, 1270840), (60, 1207298), (76, 953130), (95, 762504), (114, 635420), (120, 603649), (152, 476565), (190, 381252), (228, 317710), (285, 254168), (380, 190626), (456, 158855), (570, 127084), (760, 95313), (1140, 63542), (2280, 31771)]