289365760

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9829}}^1$

素因数の和:9873

約数の個数: 72

約数和(自身を含む): 723330720

約数和(自身を除く): 433964960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7360, 9829, 14720, 19658, 29440, 39316, 49145, 78632, 98290, 157264, 196580, 226067, 314528, 393160, 452134, 629056, 786320, 904268, 1130335, 1258112, 1572640, 1808536, 2260670, 2516224, 3145280, 3617072, 4521340, 6290560, 7234144, 9042680, 12581120, 14468288, 18085360, 28936576, 36170720, 57873152, 72341440, 144682880, 289365760]

約数ペア:

[(1, 289365760), (2, 144682880), (4, 72341440), (5, 57873152), (8, 36170720), (10, 28936576), (16, 18085360), (20, 14468288), (23, 12581120), (32, 9042680), (40, 7234144), (46, 6290560), (64, 4521340), (80, 3617072), (92, 3145280), (115, 2516224), (128, 2260670), (160, 1808536), (184, 1572640), (230, 1258112), (256, 1130335), (320, 904268), (368, 786320), (460, 629056), (640, 452134), (736, 393160), (920, 314528), (1280, 226067), (1472, 196580), (1840, 157264), (2944, 98290), (3680, 78632), (5888, 49145), (7360, 39316), (9829, 29440), (14720, 19658)]