81860460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4055

約数の個数: 96

約数和(自身を含む): 258177024

約数和(自身を除く): 176316564

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 132, 155, 165, 186, 220, 310, 330, 341, 372, 465, 620, 660, 682, 930, 1023, 1364, 1705, 1860, 2046, 3410, 4001, 4092, 5115, 6820, 8002, 10230, 12003, 16004, 20005, 20460, 24006, 40010, 44011, 48012, 60015, 80020, 88022, 120030, 124031, 132033, 176044, 220055, 240060, 248062, 264066, 372093, 440110, 496124, 528132, 620155, 660165, 744186, 880220, 1240310, 1320330, 1364341, 1488372, 1860465, 2480620, 2640660, 2728682, 3720930, 4093023, 5457364, 6821705, 7441860, 8186046, 13643410, 16372092, 20465115, 27286820, 40930230, 81860460]

約数ペア:

[(1, 81860460), (2, 40930230), (3, 27286820), (4, 20465115), (5, 16372092), (6, 13643410), (10, 8186046), (11, 7441860), (12, 6821705), (15, 5457364), (20, 4093023), (22, 3720930), (30, 2728682), (31, 2640660), (33, 2480620), (44, 1860465), (55, 1488372), (60, 1364341), (62, 1320330), (66, 1240310), (93, 880220), (110, 744186), (124, 660165), (132, 620155), (155, 528132), (165, 496124), (186, 440110), (220, 372093), (310, 264066), (330, 248062), (341, 240060), (372, 220055), (465, 176044), (620, 132033), (660, 124031), (682, 120030), (930, 88022), (1023, 80020), (1364, 60015), (1705, 48012), (1860, 44011), (2046, 40010), (3410, 24006), (4001, 20460), (4092, 20005), (5115, 16004), (6820, 12003), (8002, 10230)]