1818772740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1\times {\mathrm{787}}^1$

素因数の和:1186

約数の個数: 144

約数和(自身を含む): 5689599552

約数和(自身を除く): 3870826812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 347, 370, 444, 555, 666, 694, 740, 787, 1041, 1110, 1332, 1388, 1574, 1665, 1735, 2082, 2220, 2361, 3123, 3148, 3330, 3470, 3935, 4164, 4722, 5205, 6246, 6660, 6940, 7083, 7870, 9444, 10410, 11805, 12492, 12839, 14166, 15615, 15740, 20820, 23610, 25678, 28332, 29119, 31230, 35415, 38517, 47220, 51356, 58238, 62460, 64195, 70830, 77034, 87357, 115551, 116476, 128390, 141660, 145595, 154068, 174714, 192585, 231102, 256780, 262071, 273089, 291190, 349428, 385170, 436785, 462204, 524142, 546178, 577755, 582380, 770340, 819267, 873570, 1048284, 1092356, 1155510, 1310355, 1365445, 1638534, 1747140, 2311020, 2457801, 2620710, 2730890, 3277068, 4096335, 4915602, 5241420, 5461780, 8192670, 9831204, 10104293, 12289005, 16385340, 20208586, 24578010, 30312879, 40417172, 49156020, 50521465, 60625758, 90938637, 101042930, 121251516, 151564395, 181877274, 202085860, 303128790, 363754548, 454693185, 606257580, 909386370, 1818772740]

約数ペア:

[(1, 1818772740), (2, 909386370), (3, 606257580), (4, 454693185), (5, 363754548), (6, 303128790), (9, 202085860), (10, 181877274), (12, 151564395), (15, 121251516), (18, 101042930), (20, 90938637), (30, 60625758), (36, 50521465), (37, 49156020), (45, 40417172), (60, 30312879), (74, 24578010), (90, 20208586), (111, 16385340), (148, 12289005), (180, 10104293), (185, 9831204), (222, 8192670), (333, 5461780), (347, 5241420), (370, 4915602), (444, 4096335), (555, 3277068), (666, 2730890), (694, 2620710), (740, 2457801), (787, 2311020), (1041, 1747140), (1110, 1638534), (1332, 1365445), (1388, 1310355), (1574, 1155510), (1665, 1092356), (1735, 1048284), (2082, 873570), (2220, 819267), (2361, 770340), (3123, 582380), (3148, 577755), (3330, 546178), (3470, 524142), (3935, 462204), (4164, 436785), (4722, 385170), (5205, 349428), (6246, 291190), (6660, 273089), (6940, 262071), (7083, 256780), (7870, 231102), (9444, 192585), (10410, 174714), (11805, 154068), (12492, 145595), (12839, 141660), (14166, 128390), (15615, 116476), (15740, 115551), (20820, 87357), (23610, 77034), (25678, 70830), (28332, 64195), (29119, 62460), (31230, 58238), (35415, 51356), (38517, 47220)]