72215440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{599}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 184809600

約数和(自身を除く): 112594160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 137, 176, 220, 274, 440, 548, 599, 685, 880, 1096, 1198, 1370, 1507, 2192, 2396, 2740, 2995, 3014, 4792, 5480, 5990, 6028, 6589, 7535, 9584, 10960, 11980, 12056, 13178, 15070, 23960, 24112, 26356, 30140, 32945, 47920, 52712, 60280, 65890, 82063, 105424, 120560, 131780, 164126, 263560, 328252, 410315, 527120, 656504, 820630, 902693, 1313008, 1641260, 1805386, 3282520, 3610772, 4513465, 6565040, 7221544, 9026930, 14443088, 18053860, 36107720, 72215440]

約数ペア:

[(1, 72215440), (2, 36107720), (4, 18053860), (5, 14443088), (8, 9026930), (10, 7221544), (11, 6565040), (16, 4513465), (20, 3610772), (22, 3282520), (40, 1805386), (44, 1641260), (55, 1313008), (80, 902693), (88, 820630), (110, 656504), (137, 527120), (176, 410315), (220, 328252), (274, 263560), (440, 164126), (548, 131780), (599, 120560), (685, 105424), (880, 82063), (1096, 65890), (1198, 60280), (1370, 52712), (1507, 47920), (2192, 32945), (2396, 30140), (2740, 26356), (2995, 24112), (3014, 23960), (4792, 15070), (5480, 13178), (5990, 12056), (6028, 11980), (6589, 10960), (7535, 9584)]