51213690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{179}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 155170080

約数和(自身を除く): 103956390

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 55, 66, 85, 90, 99, 102, 110, 153, 165, 170, 179, 187, 198, 255, 289, 306, 330, 358, 374, 495, 510, 537, 561, 578, 765, 867, 895, 935, 990, 1074, 1122, 1445, 1530, 1611, 1683, 1734, 1790, 1870, 1969, 2601, 2685, 2805, 2890, 3043, 3179, 3222, 3366, 3938, 4335, 5202, 5370, 5610, 5907, 6086, 6358, 8055, 8415, 8670, 9129, 9537, 9845, 11814, 13005, 15215, 15895, 16110, 16830, 17721, 18258, 19074, 19690, 26010, 27387, 28611, 29535, 30430, 31790, 33473, 35442, 45645, 47685, 51731, 54774, 57222, 59070, 66946, 88605, 91290, 95370, 100419, 103462, 136935, 143055, 155193, 167365, 177210, 200838, 258655, 273870, 286110, 301257, 310386, 334730, 465579, 502095, 517310, 569041, 602514, 775965, 931158, 1004190, 1138082, 1506285, 1551930, 1707123, 2327895, 2845205, 3012570, 3414246, 4655790, 5121369, 5690410, 8535615, 10242738, 17071230, 25606845, 51213690]

約数ペア:

[(1, 51213690), (2, 25606845), (3, 17071230), (5, 10242738), (6, 8535615), (9, 5690410), (10, 5121369), (11, 4655790), (15, 3414246), (17, 3012570), (18, 2845205), (22, 2327895), (30, 1707123), (33, 1551930), (34, 1506285), (45, 1138082), (51, 1004190), (55, 931158), (66, 775965), (85, 602514), (90, 569041), (99, 517310), (102, 502095), (110, 465579), (153, 334730), (165, 310386), (170, 301257), (179, 286110), (187, 273870), (198, 258655), (255, 200838), (289, 177210), (306, 167365), (330, 155193), (358, 143055), (374, 136935), (495, 103462), (510, 100419), (537, 95370), (561, 91290), (578, 88605), (765, 66946), (867, 59070), (895, 57222), (935, 54774), (990, 51731), (1074, 47685), (1122, 45645), (1445, 35442), (1530, 33473), (1611, 31790), (1683, 30430), (1734, 29535), (1790, 28611), (1870, 27387), (1969, 26010), (2601, 19690), (2685, 19074), (2805, 18258), (2890, 17721), (3043, 16830), (3179, 16110), (3222, 15895), (3366, 15215), (3938, 13005), (4335, 11814), (5202, 9845), (5370, 9537), (5610, 9129), (5907, 8670), (6086, 8415), (6358, 8055)]