287769040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3109}}^1$

素因数の和:3224

約数の個数: 80

約数和(自身を含む): 728859600

約数和(自身を除く): 441090560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 445, 520, 712, 890, 1040, 1157, 1424, 1780, 2314, 3109, 3560, 4628, 5785, 6218, 7120, 9256, 11570, 12436, 15545, 18512, 23140, 24872, 31090, 40417, 46280, 49744, 62180, 80834, 92560, 124360, 161668, 202085, 248720, 276701, 323336, 404170, 553402, 646672, 808340, 1106804, 1383505, 1616680, 2213608, 2767010, 3233360, 3597113, 4427216, 5534020, 7194226, 11068040, 14388452, 17985565, 22136080, 28776904, 35971130, 57553808, 71942260, 143884520, 287769040]

約数ペア:

[(1, 287769040), (2, 143884520), (4, 71942260), (5, 57553808), (8, 35971130), (10, 28776904), (13, 22136080), (16, 17985565), (20, 14388452), (26, 11068040), (40, 7194226), (52, 5534020), (65, 4427216), (80, 3597113), (89, 3233360), (104, 2767010), (130, 2213608), (178, 1616680), (208, 1383505), (260, 1106804), (356, 808340), (445, 646672), (520, 553402), (712, 404170), (890, 323336), (1040, 276701), (1157, 248720), (1424, 202085), (1780, 161668), (2314, 124360), (3109, 92560), (3560, 80834), (4628, 62180), (5785, 49744), (6218, 46280), (7120, 40417), (9256, 31090), (11570, 24872), (12436, 23140), (15545, 18512)]