254657120

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:888

約数の個数: 96

約数和(自身を含む): 631955520

約数和(自身を除く): 377298400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 71, 80, 116, 142, 145, 160, 232, 284, 290, 355, 464, 568, 580, 710, 773, 928, 1136, 1160, 1420, 1546, 2059, 2272, 2320, 2840, 3092, 3865, 4118, 4640, 5680, 6184, 7730, 8236, 10295, 11360, 12368, 15460, 16472, 20590, 22417, 24736, 30920, 32944, 41180, 44834, 54883, 61840, 65888, 82360, 89668, 109766, 112085, 123680, 164720, 179336, 219532, 224170, 274415, 329440, 358672, 439064, 448340, 548830, 717344, 878128, 896680, 1097660, 1591607, 1756256, 1793360, 2195320, 3183214, 3586720, 4390640, 6366428, 7958035, 8781280, 12732856, 15916070, 25465712, 31832140, 50931424, 63664280, 127328560, 254657120]

約数ペア:

[(1, 254657120), (2, 127328560), (4, 63664280), (5, 50931424), (8, 31832140), (10, 25465712), (16, 15916070), (20, 12732856), (29, 8781280), (32, 7958035), (40, 6366428), (58, 4390640), (71, 3586720), (80, 3183214), (116, 2195320), (142, 1793360), (145, 1756256), (160, 1591607), (232, 1097660), (284, 896680), (290, 878128), (355, 717344), (464, 548830), (568, 448340), (580, 439064), (710, 358672), (773, 329440), (928, 274415), (1136, 224170), (1160, 219532), (1420, 179336), (1546, 164720), (2059, 123680), (2272, 112085), (2320, 109766), (2840, 89668), (3092, 82360), (3865, 65888), (4118, 61840), (4640, 54883), (5680, 44834), (6184, 41180), (7730, 32944), (8236, 30920), (10295, 24736), (11360, 22417), (12368, 20590), (15460, 16472)]