258615040

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6967}}^1$

素因数の和:7017

約数の個数: 72

約数和(自身を含む): 640916640

約数和(自身を除く): 382301600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 928, 1160, 1280, 1856, 2320, 3712, 4640, 6967, 7424, 9280, 13934, 18560, 27868, 34835, 37120, 55736, 69670, 111472, 139340, 202043, 222944, 278680, 404086, 445888, 557360, 808172, 891776, 1010215, 1114720, 1616344, 1783552, 2020430, 2229440, 3232688, 4040860, 4458880, 6465376, 8081720, 8917760, 12930752, 16163440, 25861504, 32326880, 51723008, 64653760, 129307520, 258615040]

約数ペア:

[(1, 258615040), (2, 129307520), (4, 64653760), (5, 51723008), (8, 32326880), (10, 25861504), (16, 16163440), (20, 12930752), (29, 8917760), (32, 8081720), (40, 6465376), (58, 4458880), (64, 4040860), (80, 3232688), (116, 2229440), (128, 2020430), (145, 1783552), (160, 1616344), (232, 1114720), (256, 1010215), (290, 891776), (320, 808172), (464, 557360), (580, 445888), (640, 404086), (928, 278680), (1160, 222944), (1280, 202043), (1856, 139340), (2320, 111472), (3712, 69670), (4640, 55736), (6967, 37120), (7424, 34835), (9280, 27868), (13934, 18560)]