1211342440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{719}}^1$

素因数の和:1295

約数の個数: 128

約数和(自身を含む): 3408998400

約数和(自身を除く): 2197655960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 547, 616, 719, 770, 1094, 1438, 1540, 2188, 2735, 2876, 3080, 3595, 3829, 4376, 5033, 5470, 5752, 6017, 7190, 7658, 7909, 10066, 10940, 12034, 14380, 15316, 15818, 19145, 20132, 21880, 24068, 25165, 28760, 30085, 30632, 31636, 38290, 39545, 40264, 42119, 48136, 50330, 55363, 60170, 63272, 76580, 79090, 84238, 100660, 110726, 120340, 153160, 158180, 168476, 201320, 210595, 221452, 240680, 276815, 316360, 336952, 393293, 421190, 442904, 553630, 786586, 842380, 1107260, 1573172, 1684760, 1966465, 2214520, 2753051, 3146344, 3932930, 4326223, 5506102, 7865860, 8652446, 11012204, 13765255, 15731720, 17304892, 21631115, 22024408, 27530510, 30283561, 34609784, 43262230, 55061020, 60567122, 86524460, 110122040, 121134244, 151417805, 173048920, 242268488, 302835610, 605671220, 1211342440]

約数ペア:

[(1, 1211342440), (2, 605671220), (4, 302835610), (5, 242268488), (7, 173048920), (8, 151417805), (10, 121134244), (11, 110122040), (14, 86524460), (20, 60567122), (22, 55061020), (28, 43262230), (35, 34609784), (40, 30283561), (44, 27530510), (55, 22024408), (56, 21631115), (70, 17304892), (77, 15731720), (88, 13765255), (110, 11012204), (140, 8652446), (154, 7865860), (220, 5506102), (280, 4326223), (308, 3932930), (385, 3146344), (440, 2753051), (547, 2214520), (616, 1966465), (719, 1684760), (770, 1573172), (1094, 1107260), (1438, 842380), (1540, 786586), (2188, 553630), (2735, 442904), (2876, 421190), (3080, 393293), (3595, 336952), (3829, 316360), (4376, 276815), (5033, 240680), (5470, 221452), (5752, 210595), (6017, 201320), (7190, 168476), (7658, 158180), (7909, 153160), (10066, 120340), (10940, 110726), (12034, 100660), (14380, 84238), (15316, 79090), (15818, 76580), (19145, 63272), (20132, 60170), (21880, 55363), (24068, 50330), (25165, 48136), (28760, 42119), (30085, 40264), (30632, 39545), (31636, 38290)]