799440640

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{36739}}^1$

素因数の和:36777

約数の個数: 72

約数和(自身を含む): 2027607120

約数和(自身を除く): 1228166480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 10880, 21760, 36739, 73478, 146956, 183695, 293912, 367390, 587824, 624563, 734780, 1175648, 1249126, 1469560, 2351296, 2498252, 2939120, 3122815, 4702592, 4996504, 5878240, 6245630, 9405184, 9993008, 11756480, 12491260, 19986016, 23512960, 24982520, 39972032, 47025920, 49965040, 79944064, 99930080, 159888128, 199860160, 399720320, 799440640]

約数ペア:

[(1, 799440640), (2, 399720320), (4, 199860160), (5, 159888128), (8, 99930080), (10, 79944064), (16, 49965040), (17, 47025920), (20, 39972032), (32, 24982520), (34, 23512960), (40, 19986016), (64, 12491260), (68, 11756480), (80, 9993008), (85, 9405184), (128, 6245630), (136, 5878240), (160, 4996504), (170, 4702592), (256, 3122815), (272, 2939120), (320, 2498252), (340, 2351296), (544, 1469560), (640, 1249126), (680, 1175648), (1088, 734780), (1280, 624563), (1360, 587824), (2176, 367390), (2720, 293912), (4352, 183695), (5440, 146956), (10880, 73478), (21760, 36739)]