53505540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:530

約数の個数: 144

約数和(自身を含む): 180363456

約数和(自身を除く): 126857916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 122, 132, 165, 180, 183, 198, 220, 244, 305, 330, 366, 396, 443, 495, 549, 610, 660, 671, 732, 886, 915, 990, 1098, 1220, 1329, 1342, 1772, 1830, 1980, 2013, 2196, 2215, 2658, 2684, 2745, 3355, 3660, 3987, 4026, 4430, 4873, 5316, 5490, 6039, 6645, 6710, 7974, 8052, 8860, 9746, 10065, 10980, 12078, 13290, 13420, 14619, 15948, 19492, 19935, 20130, 24156, 24365, 26580, 27023, 29238, 30195, 39870, 40260, 43857, 48730, 54046, 58476, 60390, 73095, 79740, 81069, 87714, 97460, 108092, 120780, 135115, 146190, 162138, 175428, 219285, 243207, 270230, 292380, 297253, 324276, 405345, 438570, 486414, 540460, 594506, 810690, 877140, 891759, 972828, 1189012, 1216035, 1486265, 1621380, 1783518, 2432070, 2675277, 2972530, 3567036, 4458795, 4864140, 5350554, 5945060, 8917590, 10701108, 13376385, 17835180, 26752770, 53505540]

約数ペア:

[(1, 53505540), (2, 26752770), (3, 17835180), (4, 13376385), (5, 10701108), (6, 8917590), (9, 5945060), (10, 5350554), (11, 4864140), (12, 4458795), (15, 3567036), (18, 2972530), (20, 2675277), (22, 2432070), (30, 1783518), (33, 1621380), (36, 1486265), (44, 1216035), (45, 1189012), (55, 972828), (60, 891759), (61, 877140), (66, 810690), (90, 594506), (99, 540460), (110, 486414), (122, 438570), (132, 405345), (165, 324276), (180, 297253), (183, 292380), (198, 270230), (220, 243207), (244, 219285), (305, 175428), (330, 162138), (366, 146190), (396, 135115), (443, 120780), (495, 108092), (549, 97460), (610, 87714), (660, 81069), (671, 79740), (732, 73095), (886, 60390), (915, 58476), (990, 54046), (1098, 48730), (1220, 43857), (1329, 40260), (1342, 39870), (1772, 30195), (1830, 29238), (1980, 27023), (2013, 26580), (2196, 24365), (2215, 24156), (2658, 20130), (2684, 19935), (2745, 19492), (3355, 15948), (3660, 14619), (3987, 13420), (4026, 13290), (4430, 12078), (4873, 10980), (5316, 10065), (5490, 9746), (6039, 8860), (6645, 8052), (6710, 7974)]