348547140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21757}}^1$

素因数の和:21861

約数の個数: 72

約数和(自身を含む): 1069188120

約数和(自身を除く): 720640980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 16020, 21757, 43514, 65271, 87028, 108785, 130542, 195813, 217570, 261084, 326355, 391626, 435140, 652710, 783252, 979065, 1305420, 1936373, 1958130, 3872746, 3916260, 5809119, 7745492, 9681865, 11618238, 17427357, 19363730, 23236476, 29045595, 34854714, 38727460, 58091190, 69709428, 87136785, 116182380, 174273570, 348547140]

約数ペア:

[(1, 348547140), (2, 174273570), (3, 116182380), (4, 87136785), (5, 69709428), (6, 58091190), (9, 38727460), (10, 34854714), (12, 29045595), (15, 23236476), (18, 19363730), (20, 17427357), (30, 11618238), (36, 9681865), (45, 7745492), (60, 5809119), (89, 3916260), (90, 3872746), (178, 1958130), (180, 1936373), (267, 1305420), (356, 979065), (445, 783252), (534, 652710), (801, 435140), (890, 391626), (1068, 326355), (1335, 261084), (1602, 217570), (1780, 195813), (2670, 130542), (3204, 108785), (4005, 87028), (5340, 65271), (8010, 43514), (16020, 21757)]