72739980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21269}}^1$

素因数の和:21303

約数の個数: 72

約数和(自身を含む): 232268400

約数和(自身を除く): 159528420

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, 21269, 42538, 63807, 85076, 106345, 127614, 191421, 212690, 255228, 319035, 382842, 404111, 425380, 638070, 765684, 808222, 957105, 1212333, 1276140, 1616444, 1914210, 2020555, 2424666, 3636999, 3828420, 4041110, 4849332, 6061665, 7273998, 8082220, 12123330, 14547996, 18184995, 24246660, 36369990, 72739980]

約数ペア:

[(1, 72739980), (2, 36369990), (3, 24246660), (4, 18184995), (5, 14547996), (6, 12123330), (9, 8082220), (10, 7273998), (12, 6061665), (15, 4849332), (18, 4041110), (19, 3828420), (20, 3636999), (30, 2424666), (36, 2020555), (38, 1914210), (45, 1616444), (57, 1276140), (60, 1212333), (76, 957105), (90, 808222), (95, 765684), (114, 638070), (171, 425380), (180, 404111), (190, 382842), (228, 319035), (285, 255228), (342, 212690), (380, 191421), (570, 127614), (684, 106345), (855, 85076), (1140, 63807), (1710, 42538), (3420, 21269)]