128400960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1021}}^1$

素因数の和:1172

約数の個数: 112

約数和(自身を含む): 411187392

約数和(自身を除く): 282786432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 131, 160, 192, 240, 262, 320, 393, 480, 524, 655, 786, 960, 1021, 1048, 1310, 1572, 1965, 2042, 2096, 2620, 3063, 3144, 3930, 4084, 4192, 5105, 5240, 6126, 6288, 7860, 8168, 8384, 10210, 10480, 12252, 12576, 15315, 15720, 16336, 20420, 20960, 24504, 25152, 30630, 31440, 32672, 40840, 41920, 49008, 61260, 62880, 65344, 81680, 98016, 122520, 125760, 133751, 163360, 196032, 245040, 267502, 326720, 401253, 490080, 535004, 668755, 802506, 980160, 1070008, 1337510, 1605012, 2006265, 2140016, 2675020, 3210024, 4012530, 4280032, 5350040, 6420048, 8025060, 8560064, 10700080, 12840096, 16050120, 21400160, 25680192, 32100240, 42800320, 64200480, 128400960]

約数ペア:

[(1, 128400960), (2, 64200480), (3, 42800320), (4, 32100240), (5, 25680192), (6, 21400160), (8, 16050120), (10, 12840096), (12, 10700080), (15, 8560064), (16, 8025060), (20, 6420048), (24, 5350040), (30, 4280032), (32, 4012530), (40, 3210024), (48, 2675020), (60, 2140016), (64, 2006265), (80, 1605012), (96, 1337510), (120, 1070008), (131, 980160), (160, 802506), (192, 668755), (240, 535004), (262, 490080), (320, 401253), (393, 326720), (480, 267502), (524, 245040), (655, 196032), (786, 163360), (960, 133751), (1021, 125760), (1048, 122520), (1310, 98016), (1572, 81680), (1965, 65344), (2042, 62880), (2096, 61260), (2620, 49008), (3063, 41920), (3144, 40840), (3930, 32672), (4084, 31440), (4192, 30630), (5105, 25152), (5240, 24504), (6126, 20960), (6288, 20420), (7860, 16336), (8168, 15720), (8384, 15315), (10210, 12576), (10480, 12252)]