66926720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{14939}}^1$

素因数の和:14965

約数の個数: 64

約数和(自身を含む): 182865600

約数和(自身を除く): 115938880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 14939, 29878, 59756, 74695, 104573, 119512, 149390, 209146, 239024, 298780, 418292, 478048, 522865, 597560, 836584, 956096, 1045730, 1195120, 1673168, 1912192, 2091460, 2390240, 3346336, 4182920, 4780480, 6692672, 8365840, 9560960, 13385344, 16731680, 33463360, 66926720]

約数ペア:

[(1, 66926720), (2, 33463360), (4, 16731680), (5, 13385344), (7, 9560960), (8, 8365840), (10, 6692672), (14, 4780480), (16, 4182920), (20, 3346336), (28, 2390240), (32, 2091460), (35, 1912192), (40, 1673168), (56, 1195120), (64, 1045730), (70, 956096), (80, 836584), (112, 597560), (128, 522865), (140, 478048), (160, 418292), (224, 298780), (280, 239024), (320, 209146), (448, 149390), (560, 119512), (640, 104573), (896, 74695), (1120, 59756), (2240, 29878), (4480, 14939)]