66989440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:832

約数の個数: 128

約数和(自身を含む): 192902400

約数和(自身を除く): 125912960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 787, 896, 1064, 1120, 1216, 1330, 1520, 1574, 2128, 2240, 2432, 2660, 3040, 3148, 3935, 4256, 4480, 5320, 5509, 6080, 6296, 7870, 8512, 10640, 11018, 12160, 12592, 14953, 15740, 17024, 21280, 22036, 25184, 27545, 29906, 31480, 42560, 44072, 50368, 55090, 59812, 62960, 74765, 85120, 88144, 100736, 104671, 110180, 119624, 125920, 149530, 176288, 209342, 220360, 239248, 251840, 299060, 352576, 418684, 440720, 478496, 503680, 523355, 598120, 705152, 837368, 881440, 956992, 1046710, 1196240, 1674736, 1762880, 1913984, 2093420, 2392480, 3349472, 3525760, 4186840, 4784960, 6698944, 8373680, 9569920, 13397888, 16747360, 33494720, 66989440]

約数ペア:

[(1, 66989440), (2, 33494720), (4, 16747360), (5, 13397888), (7, 9569920), (8, 8373680), (10, 6698944), (14, 4784960), (16, 4186840), (19, 3525760), (20, 3349472), (28, 2392480), (32, 2093420), (35, 1913984), (38, 1762880), (40, 1674736), (56, 1196240), (64, 1046710), (70, 956992), (76, 881440), (80, 837368), (95, 705152), (112, 598120), (128, 523355), (133, 503680), (140, 478496), (152, 440720), (160, 418684), (190, 352576), (224, 299060), (266, 251840), (280, 239248), (304, 220360), (320, 209342), (380, 176288), (448, 149530), (532, 125920), (560, 119624), (608, 110180), (640, 104671), (665, 100736), (760, 88144), (787, 85120), (896, 74765), (1064, 62960), (1120, 59812), (1216, 55090), (1330, 50368), (1520, 44072), (1574, 42560), (2128, 31480), (2240, 29906), (2432, 27545), (2660, 25184), (3040, 22036), (3148, 21280), (3935, 17024), (4256, 15740), (4480, 14953), (5320, 12592), (5509, 12160), (6080, 11018), (6296, 10640), (7870, 8512)]