1265372260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:881

約数の個数: 96

約数和(自身を含む): 2909491200

約数和(自身を除く): 1644118940

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 163, 190, 310, 326, 380, 589, 620, 652, 659, 815, 1178, 1318, 1630, 2356, 2636, 2945, 3097, 3260, 3295, 5053, 5890, 6194, 6590, 10106, 11780, 12388, 12521, 13180, 15485, 20212, 20429, 25042, 25265, 30970, 40858, 50084, 50530, 61940, 62605, 81716, 96007, 101060, 102145, 107417, 125210, 192014, 204290, 214834, 250420, 384028, 388151, 408580, 429668, 480035, 537085, 776302, 960070, 1074170, 1552604, 1920140, 1940755, 2040923, 2148340, 3329927, 3881510, 4081846, 6659854, 7763020, 8163692, 10204615, 13319708, 16649635, 20409230, 33299270, 40818460, 63268613, 66598540, 126537226, 253074452, 316343065, 632686130, 1265372260]

約数ペア:

[(1, 1265372260), (2, 632686130), (4, 316343065), (5, 253074452), (10, 126537226), (19, 66598540), (20, 63268613), (31, 40818460), (38, 33299270), (62, 20409230), (76, 16649635), (95, 13319708), (124, 10204615), (155, 8163692), (163, 7763020), (190, 6659854), (310, 4081846), (326, 3881510), (380, 3329927), (589, 2148340), (620, 2040923), (652, 1940755), (659, 1920140), (815, 1552604), (1178, 1074170), (1318, 960070), (1630, 776302), (2356, 537085), (2636, 480035), (2945, 429668), (3097, 408580), (3260, 388151), (3295, 384028), (5053, 250420), (5890, 214834), (6194, 204290), (6590, 192014), (10106, 125210), (11780, 107417), (12388, 102145), (12521, 101060), (13180, 96007), (15485, 81716), (20212, 62605), (20429, 61940), (25042, 50530), (25265, 50084), (30970, 40858)]