71384940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1220

約数の個数: 144

約数和(自身を含む): 244048896

約数和(自身を除く): 172663956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 930, 990, 1023, 1116, 1163, 1364, 1395, 1705, 1860, 1980, 2046, 2326, 2790, 3069, 3410, 3489, 4092, 4652, 5115, 5580, 5815, 6138, 6820, 6978, 10230, 10467, 11630, 12276, 12793, 13956, 15345, 17445, 20460, 20934, 23260, 25586, 30690, 34890, 36053, 38379, 41868, 51172, 52335, 61380, 63965, 69780, 72106, 76758, 104670, 108159, 115137, 127930, 144212, 153516, 180265, 191895, 209340, 216318, 230274, 255860, 324477, 360530, 383790, 396583, 432636, 460548, 540795, 575685, 648954, 721060, 767580, 793166, 1081590, 1151370, 1189749, 1297908, 1586332, 1622385, 1982915, 2163180, 2302740, 2379498, 3244770, 3569247, 3965830, 4758996, 5948745, 6489540, 7138494, 7931660, 11897490, 14276988, 17846235, 23794980, 35692470, 71384940]

約数ペア:

[(1, 71384940), (2, 35692470), (3, 23794980), (4, 17846235), (5, 14276988), (6, 11897490), (9, 7931660), (10, 7138494), (11, 6489540), (12, 5948745), (15, 4758996), (18, 3965830), (20, 3569247), (22, 3244770), (30, 2379498), (31, 2302740), (33, 2163180), (36, 1982915), (44, 1622385), (45, 1586332), (55, 1297908), (60, 1189749), (62, 1151370), (66, 1081590), (90, 793166), (93, 767580), (99, 721060), (110, 648954), (124, 575685), (132, 540795), (155, 460548), (165, 432636), (180, 396583), (186, 383790), (198, 360530), (220, 324477), (279, 255860), (310, 230274), (330, 216318), (341, 209340), (372, 191895), (396, 180265), (465, 153516), (495, 144212), (558, 127930), (620, 115137), (660, 108159), (682, 104670), (930, 76758), (990, 72106), (1023, 69780), (1116, 63965), (1163, 61380), (1364, 52335), (1395, 51172), (1705, 41868), (1860, 38379), (1980, 36053), (2046, 34890), (2326, 30690), (2790, 25586), (3069, 23260), (3410, 20934), (3489, 20460), (4092, 17445), (4652, 15345), (5115, 13956), (5580, 12793), (5815, 12276), (6138, 11630), (6820, 10467), (6978, 10230)]