67720980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18503}}^1$

素因数の和:18576

約数の個数: 48

約数和(自身を含む): 192737664

約数和(自身を除く): 125016684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 18503, 37006, 55509, 74012, 92515, 111018, 185030, 222036, 277545, 370060, 555090, 1110180, 1128683, 2257366, 3386049, 4514732, 5643415, 6772098, 11286830, 13544196, 16930245, 22573660, 33860490, 67720980]

約数ペア:

[(1, 67720980), (2, 33860490), (3, 22573660), (4, 16930245), (5, 13544196), (6, 11286830), (10, 6772098), (12, 5643415), (15, 4514732), (20, 3386049), (30, 2257366), (60, 1128683), (61, 1110180), (122, 555090), (183, 370060), (244, 277545), (305, 222036), (366, 185030), (610, 111018), (732, 92515), (915, 74012), (1220, 55509), (1830, 37006), (3660, 18503)]