1296205440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{977}}^1$

素因数の和:1690

約数の個数: 128

約数和(自身を含む): 4141869120

約数和(自身を除く): 2845663680

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, 128, 160, 192, 240, 320, 384, 480, 640, 691, 960, 977, 1382, 1920, 1954, 2073, 2764, 2931, 3455, 3908, 4146, 4885, 5528, 5862, 6910, 7816, 8292, 9770, 10365, 11056, 11724, 13820, 14655, 15632, 16584, 19540, 20730, 22112, 23448, 27640, 29310, 31264, 33168, 39080, 41460, 44224, 46896, 55280, 58620, 62528, 66336, 78160, 82920, 88448, 93792, 110560, 117240, 125056, 132672, 156320, 165840, 187584, 221120, 234480, 265344, 312640, 331680, 375168, 442240, 468960, 625280, 663360, 675107, 937920, 1326720, 1350214, 1875840, 2025321, 2700428, 3375535, 4050642, 5400856, 6751070, 8101284, 10126605, 10801712, 13502140, 16202568, 20253210, 21603424, 27004280, 32405136, 40506420, 43206848, 54008560, 64810272, 81012840, 86413696, 108017120, 129620544, 162025680, 216034240, 259241088, 324051360, 432068480, 648102720, 1296205440]

約数ペア:

[(1, 1296205440), (2, 648102720), (3, 432068480), (4, 324051360), (5, 259241088), (6, 216034240), (8, 162025680), (10, 129620544), (12, 108017120), (15, 86413696), (16, 81012840), (20, 64810272), (24, 54008560), (30, 43206848), (32, 40506420), (40, 32405136), (48, 27004280), (60, 21603424), (64, 20253210), (80, 16202568), (96, 13502140), (120, 10801712), (128, 10126605), (160, 8101284), (192, 6751070), (240, 5400856), (320, 4050642), (384, 3375535), (480, 2700428), (640, 2025321), (691, 1875840), (960, 1350214), (977, 1326720), (1382, 937920), (1920, 675107), (1954, 663360), (2073, 625280), (2764, 468960), (2931, 442240), (3455, 375168), (3908, 331680), (4146, 312640), (4885, 265344), (5528, 234480), (5862, 221120), (6910, 187584), (7816, 165840), (8292, 156320), (9770, 132672), (10365, 125056), (11056, 117240), (11724, 110560), (13820, 93792), (14655, 88448), (15632, 82920), (16584, 78160), (19540, 66336), (20730, 62528), (22112, 58620), (23448, 55280), (27640, 46896), (29310, 44224), (31264, 41460), (33168, 39080)]