481104520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 1204035840

約数和(自身を除く): 722931320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 83, 104, 130, 142, 157, 166, 260, 284, 314, 332, 355, 415, 520, 568, 628, 664, 710, 785, 830, 923, 1079, 1256, 1420, 1570, 1660, 1846, 2041, 2158, 2840, 3140, 3320, 3692, 4082, 4316, 4615, 5395, 5893, 6280, 7384, 8164, 8632, 9230, 10205, 10790, 11147, 11786, 13031, 16328, 18460, 20410, 21580, 22294, 23572, 26062, 29465, 36920, 40820, 43160, 44588, 47144, 52124, 55735, 58930, 65155, 76609, 81640, 89176, 104248, 111470, 117860, 130310, 144911, 153218, 169403, 222940, 235720, 260620, 289822, 306436, 338806, 383045, 445880, 521240, 579644, 612872, 677612, 724555, 766090, 847015, 925201, 1159288, 1355224, 1449110, 1532180, 1694030, 1850402, 2898220, 3064360, 3388060, 3700804, 4626005, 5796440, 6776120, 7401608, 9252010, 12027613, 18504020, 24055226, 37008040, 48110452, 60138065, 96220904, 120276130, 240552260, 481104520]

約数ペア:

[(1, 481104520), (2, 240552260), (4, 120276130), (5, 96220904), (8, 60138065), (10, 48110452), (13, 37008040), (20, 24055226), (26, 18504020), (40, 12027613), (52, 9252010), (65, 7401608), (71, 6776120), (83, 5796440), (104, 4626005), (130, 3700804), (142, 3388060), (157, 3064360), (166, 2898220), (260, 1850402), (284, 1694030), (314, 1532180), (332, 1449110), (355, 1355224), (415, 1159288), (520, 925201), (568, 847015), (628, 766090), (664, 724555), (710, 677612), (785, 612872), (830, 579644), (923, 521240), (1079, 445880), (1256, 383045), (1420, 338806), (1570, 306436), (1660, 289822), (1846, 260620), (2041, 235720), (2158, 222940), (2840, 169403), (3140, 153218), (3320, 144911), (3692, 130310), (4082, 117860), (4316, 111470), (4615, 104248), (5395, 89176), (5893, 81640), (6280, 76609), (7384, 65155), (8164, 58930), (8632, 55735), (9230, 52124), (10205, 47144), (10790, 44588), (11147, 43160), (11786, 40820), (13031, 36920), (16328, 29465), (18460, 26062), (20410, 23572), (21580, 22294)]