2509055680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 168

約数和(自身を含む): 6355994400

約数和(自身を除く): 3846938720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 155, 160, 164, 199, 205, 248, 310, 320, 328, 398, 410, 496, 620, 656, 796, 820, 961, 992, 995, 1240, 1271, 1312, 1592, 1640, 1922, 1984, 1990, 2480, 2542, 2624, 3184, 3280, 3844, 3980, 4805, 4960, 5084, 6169, 6355, 6368, 6560, 7688, 7960, 8159, 9610, 9920, 10168, 12338, 12710, 12736, 13120, 15376, 15920, 16318, 19220, 20336, 24676, 25420, 30752, 30845, 31840, 32636, 38440, 39401, 40672, 40795, 49352, 50840, 61504, 61690, 63680, 65272, 76880, 78802, 81344, 81590, 98704, 101680, 123380, 130544, 153760, 157604, 163180, 191239, 197005, 197408, 203360, 246760, 252929, 261088, 307520, 315208, 326360, 382478, 394010, 394816, 406720, 493520, 505858, 522176, 630416, 652720, 764956, 788020, 956195, 987040, 1011716, 1260832, 1264645, 1305440, 1529912, 1576040, 1912390, 1974080, 2023432, 2521664, 2529290, 2610880, 3059824, 3152080, 3824780, 4046864, 5058580, 6119648, 6304160, 7649560, 7840799, 8093728, 10117160, 12239296, 12608320, 15299120, 15681598, 16187456, 20234320, 30598240, 31363196, 39203995, 40468640, 61196480, 62726392, 78407990, 80937280, 125452784, 156815980, 250905568, 313631960, 501811136, 627263920, 1254527840, 2509055680]

約数ペア:

[(1, 2509055680), (2, 1254527840), (4, 627263920), (5, 501811136), (8, 313631960), (10, 250905568), (16, 156815980), (20, 125452784), (31, 80937280), (32, 78407990), (40, 62726392), (41, 61196480), (62, 40468640), (64, 39203995), (80, 31363196), (82, 30598240), (124, 20234320), (155, 16187456), (160, 15681598), (164, 15299120), (199, 12608320), (205, 12239296), (248, 10117160), (310, 8093728), (320, 7840799), (328, 7649560), (398, 6304160), (410, 6119648), (496, 5058580), (620, 4046864), (656, 3824780), (796, 3152080), (820, 3059824), (961, 2610880), (992, 2529290), (995, 2521664), (1240, 2023432), (1271, 1974080), (1312, 1912390), (1592, 1576040), (1640, 1529912), (1922, 1305440), (1984, 1264645), (1990, 1260832), (2480, 1011716), (2542, 987040), (2624, 956195), (3184, 788020), (3280, 764956), (3844, 652720), (3980, 630416), (4805, 522176), (4960, 505858), (5084, 493520), (6169, 406720), (6355, 394816), (6368, 394010), (6560, 382478), (7688, 326360), (7960, 315208), (8159, 307520), (9610, 261088), (9920, 252929), (10168, 246760), (12338, 203360), (12710, 197408), (12736, 197005), (13120, 191239), (15376, 163180), (15920, 157604), (16318, 153760), (19220, 130544), (20336, 123380), (24676, 101680), (25420, 98704), (30752, 81590), (30845, 81344), (31840, 78802), (32636, 76880), (38440, 65272), (39401, 63680), (40672, 61690), (40795, 61504), (49352, 50840)]