215605040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2939}}^1$

素因数の和:3090

約数の個数: 80

約数和(自身を含む): 577463040

約数和(自身を除く): 361858000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1310, 1834, 2096, 2620, 2939, 3668, 4585, 5240, 5878, 7336, 9170, 10480, 11756, 14672, 14695, 18340, 20573, 23512, 29390, 36680, 41146, 47024, 58780, 73360, 82292, 102865, 117560, 164584, 205730, 235120, 329168, 385009, 411460, 770018, 822920, 1540036, 1645840, 1925045, 2695063, 3080072, 3850090, 5390126, 6160144, 7700180, 10780252, 13475315, 15400360, 21560504, 26950630, 30800720, 43121008, 53901260, 107802520, 215605040]

約数ペア:

[(1, 215605040), (2, 107802520), (4, 53901260), (5, 43121008), (7, 30800720), (8, 26950630), (10, 21560504), (14, 15400360), (16, 13475315), (20, 10780252), (28, 7700180), (35, 6160144), (40, 5390126), (56, 3850090), (70, 3080072), (80, 2695063), (112, 1925045), (131, 1645840), (140, 1540036), (262, 822920), (280, 770018), (524, 411460), (560, 385009), (655, 329168), (917, 235120), (1048, 205730), (1310, 164584), (1834, 117560), (2096, 102865), (2620, 82292), (2939, 73360), (3668, 58780), (4585, 47024), (5240, 41146), (5878, 36680), (7336, 29390), (9170, 23512), (10480, 20573), (11756, 18340), (14672, 14695)]