81279750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 217676160

約数和(自身を除く): 136396410

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 37, 50, 58, 74, 75, 87, 101, 111, 125, 145, 150, 174, 185, 202, 222, 250, 290, 303, 370, 375, 435, 505, 555, 606, 725, 750, 870, 925, 1010, 1073, 1110, 1450, 1515, 1850, 2146, 2175, 2525, 2775, 2929, 3030, 3219, 3625, 3737, 4350, 4625, 5050, 5365, 5550, 5858, 6438, 7250, 7474, 7575, 8787, 9250, 10730, 10875, 11211, 12625, 13875, 14645, 15150, 16095, 17574, 18685, 21750, 22422, 25250, 26825, 27750, 29290, 32190, 37370, 37875, 43935, 53650, 56055, 73225, 75750, 80475, 87870, 93425, 108373, 112110, 134125, 146450, 160950, 186850, 216746, 219675, 268250, 280275, 325119, 366125, 402375, 439350, 467125, 541865, 560550, 650238, 732250, 804750, 934250, 1083730, 1098375, 1401375, 1625595, 2196750, 2709325, 2802750, 3251190, 5418650, 8127975, 13546625, 16255950, 27093250, 40639875, 81279750]

約数ペア:

[(1, 81279750), (2, 40639875), (3, 27093250), (5, 16255950), (6, 13546625), (10, 8127975), (15, 5418650), (25, 3251190), (29, 2802750), (30, 2709325), (37, 2196750), (50, 1625595), (58, 1401375), (74, 1098375), (75, 1083730), (87, 934250), (101, 804750), (111, 732250), (125, 650238), (145, 560550), (150, 541865), (174, 467125), (185, 439350), (202, 402375), (222, 366125), (250, 325119), (290, 280275), (303, 268250), (370, 219675), (375, 216746), (435, 186850), (505, 160950), (555, 146450), (606, 134125), (725, 112110), (750, 108373), (870, 93425), (925, 87870), (1010, 80475), (1073, 75750), (1110, 73225), (1450, 56055), (1515, 53650), (1850, 43935), (2146, 37875), (2175, 37370), (2525, 32190), (2775, 29290), (2929, 27750), (3030, 26825), (3219, 25250), (3625, 22422), (3737, 21750), (4350, 18685), (4625, 17574), (5050, 16095), (5365, 15150), (5550, 14645), (5858, 13875), (6438, 12625), (7250, 11211), (7474, 10875), (7575, 10730), (8787, 9250)]