81997500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^2$

素因数の和:98

約数の個数: 180

約数和(自身を含む): 266658392

約数和(自身を除く): 184660892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 29, 30, 39, 50, 52, 58, 60, 65, 75, 78, 87, 100, 116, 125, 130, 145, 150, 156, 174, 195, 250, 260, 290, 300, 325, 348, 375, 377, 390, 435, 500, 580, 625, 650, 725, 750, 754, 780, 841, 870, 975, 1131, 1250, 1300, 1450, 1500, 1508, 1625, 1682, 1740, 1875, 1885, 1950, 2175, 2262, 2500, 2523, 2900, 3250, 3364, 3625, 3750, 3770, 3900, 4205, 4350, 4524, 4875, 5046, 5655, 6500, 7250, 7500, 7540, 8125, 8410, 8700, 9425, 9750, 10092, 10875, 10933, 11310, 12615, 14500, 16250, 16820, 18125, 18850, 19500, 21025, 21750, 21866, 22620, 24375, 25230, 28275, 32500, 32799, 36250, 37700, 42050, 43500, 43732, 47125, 48750, 50460, 54375, 54665, 56550, 63075, 65598, 72500, 84100, 94250, 97500, 105125, 108750, 109330, 113100, 126150, 131196, 141375, 163995, 188500, 210250, 217500, 218660, 235625, 252300, 273325, 282750, 315375, 327990, 420500, 471250, 525625, 546650, 565500, 630750, 655980, 706875, 819975, 942500, 1051250, 1093300, 1261500, 1366625, 1413750, 1576875, 1639950, 2102500, 2733250, 2827500, 3153750, 3279900, 4099875, 5466500, 6307500, 6833125, 8199750, 13666250, 16399500, 20499375, 27332500, 40998750, 81997500]

約数ペア:

[(1, 81997500), (2, 40998750), (3, 27332500), (4, 20499375), (5, 16399500), (6, 13666250), (10, 8199750), (12, 6833125), (13, 6307500), (15, 5466500), (20, 4099875), (25, 3279900), (26, 3153750), (29, 2827500), (30, 2733250), (39, 2102500), (50, 1639950), (52, 1576875), (58, 1413750), (60, 1366625), (65, 1261500), (75, 1093300), (78, 1051250), (87, 942500), (100, 819975), (116, 706875), (125, 655980), (130, 630750), (145, 565500), (150, 546650), (156, 525625), (174, 471250), (195, 420500), (250, 327990), (260, 315375), (290, 282750), (300, 273325), (325, 252300), (348, 235625), (375, 218660), (377, 217500), (390, 210250), (435, 188500), (500, 163995), (580, 141375), (625, 131196), (650, 126150), (725, 113100), (750, 109330), (754, 108750), (780, 105125), (841, 97500), (870, 94250), (975, 84100), (1131, 72500), (1250, 65598), (1300, 63075), (1450, 56550), (1500, 54665), (1508, 54375), (1625, 50460), (1682, 48750), (1740, 47125), (1875, 43732), (1885, 43500), (1950, 42050), (2175, 37700), (2262, 36250), (2500, 32799), (2523, 32500), (2900, 28275), (3250, 25230), (3364, 24375), (3625, 22620), (3750, 21866), (3770, 21750), (3900, 21025), (4205, 19500), (4350, 18850), (4524, 18125), (4875, 16820), (5046, 16250), (5655, 14500), (6500, 12615), (7250, 11310), (7500, 10933), (7540, 10875), (8125, 10092), (8410, 9750), (8700, 9425)]