261917280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3191}}^1$

素因数の和:3234

約数の個数: 192

約数和(自身を含む): 965260800

約数和(自身を除く): 703343520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 2052, 2160, 2280, 2565, 2736, 3040, 3191, 3420, 4104, 4320, 4560, 5130, 5472, 6382, 6840, 8208, 9120, 9573, 10260, 12764, 13680, 15955, 16416, 19146, 20520, 25528, 27360, 28719, 31910, 38292, 41040, 47865, 51056, 57438, 60629, 63820, 76584, 82080, 86157, 95730, 102112, 114876, 121258, 127640, 143595, 153168, 172314, 181887, 191460, 229752, 242516, 255280, 287190, 303145, 306336, 344628, 363774, 382920, 430785, 459504, 485032, 510560, 545661, 574380, 606290, 689256, 727548, 765840, 861570, 909435, 919008, 970064, 1091322, 1148760, 1212580, 1378512, 1455096, 1531680, 1636983, 1723140, 1818870, 1940128, 2182644, 2297520, 2425160, 2728305, 2757024, 2910192, 3273966, 3446280, 3637740, 4365288, 4595040, 4850320, 5456610, 5820384, 6547932, 6892560, 7275480, 8184915, 8730576, 9700640, 10913220, 13095864, 13785120, 14550960, 16369830, 17461152, 21826440, 26191728, 29101920, 32739660, 43652880, 52383456, 65479320, 87305760, 130958640, 261917280]

約数ペア:

[(1, 261917280), (2, 130958640), (3, 87305760), (4, 65479320), (5, 52383456), (6, 43652880), (8, 32739660), (9, 29101920), (10, 26191728), (12, 21826440), (15, 17461152), (16, 16369830), (18, 14550960), (19, 13785120), (20, 13095864), (24, 10913220), (27, 9700640), (30, 8730576), (32, 8184915), (36, 7275480), (38, 6892560), (40, 6547932), (45, 5820384), (48, 5456610), (54, 4850320), (57, 4595040), (60, 4365288), (72, 3637740), (76, 3446280), (80, 3273966), (90, 2910192), (95, 2757024), (96, 2728305), (108, 2425160), (114, 2297520), (120, 2182644), (135, 1940128), (144, 1818870), (152, 1723140), (160, 1636983), (171, 1531680), (180, 1455096), (190, 1378512), (216, 1212580), (228, 1148760), (240, 1091322), (270, 970064), (285, 919008), (288, 909435), (304, 861570), (342, 765840), (360, 727548), (380, 689256), (432, 606290), (456, 574380), (480, 545661), (513, 510560), (540, 485032), (570, 459504), (608, 430785), (684, 382920), (720, 363774), (760, 344628), (855, 306336), (864, 303145), (912, 287190), (1026, 255280), (1080, 242516), (1140, 229752), (1368, 191460), (1440, 181887), (1520, 172314), (1710, 153168), (1824, 143595), (2052, 127640), (2160, 121258), (2280, 114876), (2565, 102112), (2736, 95730), (3040, 86157), (3191, 82080), (3420, 76584), (4104, 63820), (4320, 60629), (4560, 57438), (5130, 51056), (5472, 47865), (6382, 41040), (6840, 38292), (8208, 31910), (9120, 28719), (9573, 27360), (10260, 25528), (12764, 20520), (13680, 19146), (15955, 16416)]