81968700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 263733120

約数和(自身を除く): 181764420

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 59, 60, 66, 75, 100, 110, 118, 132, 150, 165, 177, 220, 236, 275, 295, 300, 330, 354, 421, 550, 590, 649, 660, 708, 825, 842, 885, 1100, 1180, 1263, 1298, 1475, 1650, 1684, 1770, 1947, 2105, 2526, 2596, 2950, 3245, 3300, 3540, 3894, 4210, 4425, 4631, 5052, 5900, 6315, 6490, 7788, 8420, 8850, 9262, 9735, 10525, 12630, 12980, 13893, 16225, 17700, 18524, 19470, 21050, 23155, 24839, 25260, 27786, 31575, 32450, 38940, 42100, 46310, 48675, 49678, 55572, 63150, 64900, 69465, 74517, 92620, 97350, 99356, 115775, 124195, 126300, 138930, 149034, 194700, 231550, 248390, 273229, 277860, 298068, 347325, 372585, 463100, 496780, 546458, 620975, 694650, 745170, 819687, 1092916, 1241950, 1366145, 1389300, 1490340, 1639374, 1862925, 2483900, 2732290, 3278748, 3725850, 4098435, 5464580, 6830725, 7451700, 8196870, 13661450, 16393740, 20492175, 27322900, 40984350, 81968700]

約数ペア:

[(1, 81968700), (2, 40984350), (3, 27322900), (4, 20492175), (5, 16393740), (6, 13661450), (10, 8196870), (11, 7451700), (12, 6830725), (15, 5464580), (20, 4098435), (22, 3725850), (25, 3278748), (30, 2732290), (33, 2483900), (44, 1862925), (50, 1639374), (55, 1490340), (59, 1389300), (60, 1366145), (66, 1241950), (75, 1092916), (100, 819687), (110, 745170), (118, 694650), (132, 620975), (150, 546458), (165, 496780), (177, 463100), (220, 372585), (236, 347325), (275, 298068), (295, 277860), (300, 273229), (330, 248390), (354, 231550), (421, 194700), (550, 149034), (590, 138930), (649, 126300), (660, 124195), (708, 115775), (825, 99356), (842, 97350), (885, 92620), (1100, 74517), (1180, 69465), (1263, 64900), (1298, 63150), (1475, 55572), (1650, 49678), (1684, 48675), (1770, 46310), (1947, 42100), (2105, 38940), (2526, 32450), (2596, 31575), (2950, 27786), (3245, 25260), (3300, 24839), (3540, 23155), (3894, 21050), (4210, 19470), (4425, 18524), (4631, 17700), (5052, 16225), (5900, 13893), (6315, 12980), (6490, 12630), (7788, 10525), (8420, 9735), (8850, 9262)]