388728960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{691}}^1$

素因数の和:1006

約数の個数: 128

約数和(自身を含む): 1245101760

約数和(自身を除く): 856372800

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, 293, 320, 384, 480, 586, 640, 691, 879, 960, 1172, 1382, 1465, 1758, 1920, 2073, 2344, 2764, 2930, 3455, 3516, 4146, 4395, 4688, 5528, 5860, 6910, 7032, 8292, 8790, 9376, 10365, 11056, 11720, 13820, 14064, 16584, 17580, 18752, 20730, 22112, 23440, 27640, 28128, 33168, 35160, 37504, 41460, 44224, 46880, 55280, 56256, 66336, 70320, 82920, 88448, 93760, 110560, 112512, 132672, 140640, 165840, 187520, 202463, 221120, 265344, 281280, 331680, 404926, 442240, 562560, 607389, 663360, 809852, 1012315, 1214778, 1326720, 1619704, 2024630, 2429556, 3036945, 3239408, 4049260, 4859112, 6073890, 6478816, 8098520, 9718224, 12147780, 12957632, 16197040, 19436448, 24295560, 25915264, 32394080, 38872896, 48591120, 64788160, 77745792, 97182240, 129576320, 194364480, 388728960]

約数ペア:

[(1, 388728960), (2, 194364480), (3, 129576320), (4, 97182240), (5, 77745792), (6, 64788160), (8, 48591120), (10, 38872896), (12, 32394080), (15, 25915264), (16, 24295560), (20, 19436448), (24, 16197040), (30, 12957632), (32, 12147780), (40, 9718224), (48, 8098520), (60, 6478816), (64, 6073890), (80, 4859112), (96, 4049260), (120, 3239408), (128, 3036945), (160, 2429556), (192, 2024630), (240, 1619704), (293, 1326720), (320, 1214778), (384, 1012315), (480, 809852), (586, 663360), (640, 607389), (691, 562560), (879, 442240), (960, 404926), (1172, 331680), (1382, 281280), (1465, 265344), (1758, 221120), (1920, 202463), (2073, 187520), (2344, 165840), (2764, 140640), (2930, 132672), (3455, 112512), (3516, 110560), (4146, 93760), (4395, 88448), (4688, 82920), (5528, 70320), (5860, 66336), (6910, 56256), (7032, 55280), (8292, 46880), (8790, 44224), (9376, 41460), (10365, 37504), (11056, 35160), (11720, 33168), (13820, 28128), (14064, 27640), (16584, 23440), (17580, 22112), (18752, 20730)]