261551040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{272449}}^1$

素因数の和:272469

約数の個数: 56

約数和(自身を含む): 830427600

約数和(自身を除く): 568876560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 272449, 544898, 817347, 1089796, 1362245, 1634694, 2179592, 2724490, 3269388, 4086735, 4359184, 5448980, 6538776, 8173470, 8718368, 10897960, 13077552, 16346940, 17436736, 21795920, 26155104, 32693880, 43591840, 52310208, 65387760, 87183680, 130775520, 261551040]

約数ペア:

[(1, 261551040), (2, 130775520), (3, 87183680), (4, 65387760), (5, 52310208), (6, 43591840), (8, 32693880), (10, 26155104), (12, 21795920), (15, 17436736), (16, 16346940), (20, 13077552), (24, 10897960), (30, 8718368), (32, 8173470), (40, 6538776), (48, 5448980), (60, 4359184), (64, 4086735), (80, 3269388), (96, 2724490), (120, 2179592), (160, 1634694), (192, 1362245), (240, 1089796), (320, 817347), (480, 544898), (960, 272449)]