81173250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:905

約数の個数: 96

約数和(自身を含む): 224864640

約数和(自身を除く): 143691390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 125, 129, 150, 215, 225, 250, 258, 375, 387, 430, 450, 645, 750, 774, 839, 1075, 1125, 1290, 1678, 1935, 2150, 2250, 2517, 3225, 3870, 4195, 5034, 5375, 6450, 7551, 8390, 9675, 10750, 12585, 15102, 16125, 19350, 20975, 25170, 32250, 36077, 37755, 41950, 48375, 62925, 72154, 75510, 96750, 104875, 108231, 125850, 180385, 188775, 209750, 216462, 314625, 324693, 360770, 377550, 541155, 629250, 649386, 901925, 943875, 1082310, 1623465, 1803850, 1887750, 2705775, 3246930, 4509625, 5411550, 8117325, 9019250, 13528875, 16234650, 27057750, 40586625, 81173250]

約数ペア:

[(1, 81173250), (2, 40586625), (3, 27057750), (5, 16234650), (6, 13528875), (9, 9019250), (10, 8117325), (15, 5411550), (18, 4509625), (25, 3246930), (30, 2705775), (43, 1887750), (45, 1803850), (50, 1623465), (75, 1082310), (86, 943875), (90, 901925), (125, 649386), (129, 629250), (150, 541155), (215, 377550), (225, 360770), (250, 324693), (258, 314625), (375, 216462), (387, 209750), (430, 188775), (450, 180385), (645, 125850), (750, 108231), (774, 104875), (839, 96750), (1075, 75510), (1125, 72154), (1290, 62925), (1678, 48375), (1935, 41950), (2150, 37755), (2250, 36077), (2517, 32250), (3225, 25170), (3870, 20975), (4195, 19350), (5034, 16125), (5375, 15102), (6450, 12585), (7551, 10750), (8390, 9675)]