72861780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:997

約数の個数: 96

約数和(自身を含む): 215728128

約数和(自身を除く): 142866348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 43, 60, 62, 86, 93, 124, 129, 155, 172, 186, 215, 258, 310, 372, 430, 465, 516, 620, 645, 860, 911, 930, 1290, 1333, 1822, 1860, 2580, 2666, 2733, 3644, 3999, 4555, 5332, 5466, 6665, 7998, 9110, 10932, 13330, 13665, 15996, 18220, 19995, 26660, 27330, 28241, 39173, 39990, 54660, 56482, 78346, 79980, 84723, 112964, 117519, 141205, 156692, 169446, 195865, 235038, 282410, 338892, 391730, 423615, 470076, 564820, 587595, 783460, 847230, 1175190, 1214363, 1694460, 2350380, 2428726, 3643089, 4857452, 6071815, 7286178, 12143630, 14572356, 18215445, 24287260, 36430890, 72861780]

約数ペア:

[(1, 72861780), (2, 36430890), (3, 24287260), (4, 18215445), (5, 14572356), (6, 12143630), (10, 7286178), (12, 6071815), (15, 4857452), (20, 3643089), (30, 2428726), (31, 2350380), (43, 1694460), (60, 1214363), (62, 1175190), (86, 847230), (93, 783460), (124, 587595), (129, 564820), (155, 470076), (172, 423615), (186, 391730), (215, 338892), (258, 282410), (310, 235038), (372, 195865), (430, 169446), (465, 156692), (516, 141205), (620, 117519), (645, 112964), (860, 84723), (911, 79980), (930, 78346), (1290, 56482), (1333, 54660), (1822, 39990), (1860, 39173), (2580, 28241), (2666, 27330), (2733, 26660), (3644, 19995), (3999, 18220), (4555, 15996), (5332, 13665), (5466, 13330), (6665, 10932), (7998, 9110)]