399532080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{72379}}^1$

素因数の和:72418

約数の個数: 80

約数和(自身を含む): 1292417280

約数和(自身を除く): 892885200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 72379, 144758, 217137, 289516, 361895, 434274, 579032, 723790, 868548, 1085685, 1158064, 1447580, 1664717, 1737096, 2171370, 2895160, 3329434, 3474192, 4342740, 4994151, 5790320, 6658868, 8323585, 8685480, 9988302, 13317736, 16647170, 17370960, 19976604, 24970755, 26635472, 33294340, 39953208, 49941510, 66588680, 79906416, 99883020, 133177360, 199766040, 399532080]

約数ペア:

[(1, 399532080), (2, 199766040), (3, 133177360), (4, 99883020), (5, 79906416), (6, 66588680), (8, 49941510), (10, 39953208), (12, 33294340), (15, 26635472), (16, 24970755), (20, 19976604), (23, 17370960), (24, 16647170), (30, 13317736), (40, 9988302), (46, 8685480), (48, 8323585), (60, 6658868), (69, 5790320), (80, 4994151), (92, 4342740), (115, 3474192), (120, 3329434), (138, 2895160), (184, 2171370), (230, 1737096), (240, 1664717), (276, 1447580), (345, 1158064), (368, 1085685), (460, 868548), (552, 723790), (690, 579032), (920, 434274), (1104, 361895), (1380, 289516), (1840, 217137), (2760, 144758), (5520, 72379)]