72150520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1559}}^1$

素因数の和:1672

約数の個数: 64

約数和(自身を含む): 176904000

約数和(自身を除く): 104753480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 890, 1157, 1559, 1780, 2314, 3118, 3560, 4628, 5785, 6236, 7795, 9256, 11570, 12472, 15590, 20267, 23140, 31180, 40534, 46280, 62360, 81068, 101335, 138751, 162136, 202670, 277502, 405340, 555004, 693755, 810680, 1110008, 1387510, 1803763, 2775020, 3607526, 5550040, 7215052, 9018815, 14430104, 18037630, 36075260, 72150520]

約数ペア:

[(1, 72150520), (2, 36075260), (4, 18037630), (5, 14430104), (8, 9018815), (10, 7215052), (13, 5550040), (20, 3607526), (26, 2775020), (40, 1803763), (52, 1387510), (65, 1110008), (89, 810680), (104, 693755), (130, 555004), (178, 405340), (260, 277502), (356, 202670), (445, 162136), (520, 138751), (712, 101335), (890, 81068), (1157, 62360), (1559, 46280), (1780, 40534), (2314, 31180), (3118, 23140), (3560, 20267), (4628, 15590), (5785, 12472), (6236, 11570), (7795, 9256)]