71721540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 216

約数和(自身を含む): 248353560

約数和(自身を除く): 176632020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 37, 44, 45, 55, 60, 66, 74, 89, 90, 99, 110, 111, 121, 132, 148, 165, 178, 180, 185, 198, 220, 222, 242, 267, 330, 333, 356, 363, 370, 396, 407, 444, 445, 484, 495, 534, 555, 605, 660, 666, 726, 740, 801, 814, 890, 979, 990, 1068, 1089, 1110, 1210, 1221, 1332, 1335, 1452, 1602, 1628, 1665, 1780, 1815, 1958, 1980, 2035, 2178, 2220, 2420, 2442, 2670, 2937, 3204, 3293, 3330, 3630, 3663, 3916, 4005, 4070, 4356, 4477, 4884, 4895, 5340, 5445, 5874, 6105, 6586, 6660, 7260, 7326, 8010, 8140, 8811, 8954, 9790, 9879, 10769, 10890, 11748, 12210, 13172, 13431, 14652, 14685, 16020, 16465, 17622, 17908, 18315, 19580, 19758, 21538, 21780, 22385, 24420, 26862, 29370, 29637, 32307, 32930, 35244, 36223, 36630, 39516, 40293, 43076, 44055, 44770, 49395, 53724, 53845, 58740, 59274, 64614, 65860, 67155, 72446, 73260, 80586, 88110, 89540, 96921, 98790, 107690, 108669, 118548, 129228, 134310, 144892, 148185, 161172, 161535, 176220, 181115, 193842, 197580, 201465, 215380, 217338, 268620, 296370, 323070, 326007, 362230, 387684, 398453, 402930, 434676, 484605, 543345, 592740, 646140, 652014, 724460, 796906, 805860, 969210, 1086690, 1195359, 1304028, 1593812, 1630035, 1938420, 1992265, 2173380, 2390718, 3260070, 3586077, 3984530, 4781436, 5976795, 6520140, 7172154, 7969060, 11953590, 14344308, 17930385, 23907180, 35860770, 71721540]

約数ペア:

[(1, 71721540), (2, 35860770), (3, 23907180), (4, 17930385), (5, 14344308), (6, 11953590), (9, 7969060), (10, 7172154), (11, 6520140), (12, 5976795), (15, 4781436), (18, 3984530), (20, 3586077), (22, 3260070), (30, 2390718), (33, 2173380), (36, 1992265), (37, 1938420), (44, 1630035), (45, 1593812), (55, 1304028), (60, 1195359), (66, 1086690), (74, 969210), (89, 805860), (90, 796906), (99, 724460), (110, 652014), (111, 646140), (121, 592740), (132, 543345), (148, 484605), (165, 434676), (178, 402930), (180, 398453), (185, 387684), (198, 362230), (220, 326007), (222, 323070), (242, 296370), (267, 268620), (330, 217338), (333, 215380), (356, 201465), (363, 197580), (370, 193842), (396, 181115), (407, 176220), (444, 161535), (445, 161172), (484, 148185), (495, 144892), (534, 134310), (555, 129228), (605, 118548), (660, 108669), (666, 107690), (726, 98790), (740, 96921), (801, 89540), (814, 88110), (890, 80586), (979, 73260), (990, 72446), (1068, 67155), (1089, 65860), (1110, 64614), (1210, 59274), (1221, 58740), (1332, 53845), (1335, 53724), (1452, 49395), (1602, 44770), (1628, 44055), (1665, 43076), (1780, 40293), (1815, 39516), (1958, 36630), (1980, 36223), (2035, 35244), (2178, 32930), (2220, 32307), (2420, 29637), (2442, 29370), (2670, 26862), (2937, 24420), (3204, 22385), (3293, 21780), (3330, 21538), (3630, 19758), (3663, 19580), (3916, 18315), (4005, 17908), (4070, 17622), (4356, 16465), (4477, 16020), (4884, 14685), (4895, 14652), (5340, 13431), (5445, 13172), (5874, 12210), (6105, 11748), (6586, 10890), (6660, 10769), (7260, 9879), (7326, 9790), (8010, 8954), (8140, 8811)]