26526780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:628

約数の個数: 144

約数和(自身を含む): 94610880

約数和(自身を除く): 68084100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 569, 630, 666, 740, 777, 1036, 1110, 1138, 1260, 1295, 1332, 1554, 1665, 1707, 2220, 2276, 2331, 2590, 2845, 3108, 3330, 3414, 3885, 3983, 4662, 5121, 5180, 5690, 6660, 6828, 7770, 7966, 8535, 9324, 10242, 11380, 11655, 11949, 15540, 15932, 17070, 19915, 20484, 21053, 23310, 23898, 25605, 34140, 35847, 39830, 42106, 46620, 47796, 51210, 59745, 63159, 71694, 79660, 84212, 102420, 105265, 119490, 126318, 143388, 147371, 179235, 189477, 210530, 238980, 252636, 294742, 315795, 358470, 378954, 421060, 442113, 589484, 631590, 716940, 736855, 757908, 884226, 947385, 1263180, 1326339, 1473710, 1768452, 1894770, 2210565, 2652678, 2947420, 3789540, 4421130, 5305356, 6631695, 8842260, 13263390, 26526780]

約数ペア:

[(1, 26526780), (2, 13263390), (3, 8842260), (4, 6631695), (5, 5305356), (6, 4421130), (7, 3789540), (9, 2947420), (10, 2652678), (12, 2210565), (14, 1894770), (15, 1768452), (18, 1473710), (20, 1326339), (21, 1263180), (28, 947385), (30, 884226), (35, 757908), (36, 736855), (37, 716940), (42, 631590), (45, 589484), (60, 442113), (63, 421060), (70, 378954), (74, 358470), (84, 315795), (90, 294742), (105, 252636), (111, 238980), (126, 210530), (140, 189477), (148, 179235), (180, 147371), (185, 143388), (210, 126318), (222, 119490), (252, 105265), (259, 102420), (315, 84212), (333, 79660), (370, 71694), (420, 63159), (444, 59745), (518, 51210), (555, 47796), (569, 46620), (630, 42106), (666, 39830), (740, 35847), (777, 34140), (1036, 25605), (1110, 23898), (1138, 23310), (1260, 21053), (1295, 20484), (1332, 19915), (1554, 17070), (1665, 15932), (1707, 15540), (2220, 11949), (2276, 11655), (2331, 11380), (2590, 10242), (2845, 9324), (3108, 8535), (3330, 7966), (3414, 7770), (3885, 6828), (3983, 6660), (4662, 5690), (5121, 5180)]