64458880

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 167443200

約数和(自身を除く): 102984320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 46, 58, 64, 80, 92, 115, 116, 128, 145, 151, 160, 184, 230, 232, 290, 302, 320, 368, 460, 464, 580, 604, 640, 667, 736, 755, 920, 928, 1160, 1208, 1334, 1472, 1510, 1840, 1856, 2320, 2416, 2668, 2944, 3020, 3335, 3473, 3680, 3712, 4379, 4640, 4832, 5336, 6040, 6670, 6946, 7360, 8758, 9280, 9664, 10672, 12080, 13340, 13892, 14720, 17365, 17516, 18560, 19328, 21344, 21895, 24160, 26680, 27784, 34730, 35032, 42688, 43790, 48320, 53360, 55568, 69460, 70064, 85376, 87580, 96640, 100717, 106720, 111136, 138920, 140128, 175160, 201434, 213440, 222272, 277840, 280256, 350320, 402868, 426880, 444544, 503585, 555680, 560512, 700640, 805736, 1007170, 1111360, 1401280, 1611472, 2014340, 2222720, 2802560, 3222944, 4028680, 6445888, 8057360, 12891776, 16114720, 32229440, 64458880]

約数ペア:

[(1, 64458880), (2, 32229440), (4, 16114720), (5, 12891776), (8, 8057360), (10, 6445888), (16, 4028680), (20, 3222944), (23, 2802560), (29, 2222720), (32, 2014340), (40, 1611472), (46, 1401280), (58, 1111360), (64, 1007170), (80, 805736), (92, 700640), (115, 560512), (116, 555680), (128, 503585), (145, 444544), (151, 426880), (160, 402868), (184, 350320), (230, 280256), (232, 277840), (290, 222272), (302, 213440), (320, 201434), (368, 175160), (460, 140128), (464, 138920), (580, 111136), (604, 106720), (640, 100717), (667, 96640), (736, 87580), (755, 85376), (920, 70064), (928, 69460), (1160, 55568), (1208, 53360), (1334, 48320), (1472, 43790), (1510, 42688), (1840, 35032), (1856, 34730), (2320, 27784), (2416, 26680), (2668, 24160), (2944, 21895), (3020, 21344), (3335, 19328), (3473, 18560), (3680, 17516), (3712, 17365), (4379, 14720), (4640, 13892), (4832, 13340), (5336, 12080), (6040, 10672), (6670, 9664), (6946, 9280), (7360, 8758)]