320864400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4691}}^1$

素因数の和:4734

約数の個数: 180

約数和(自身を含む): 1172343120

約数和(自身を除く): 851478720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 100, 114, 120, 144, 150, 152, 171, 180, 190, 200, 225, 228, 240, 285, 300, 304, 342, 360, 380, 400, 450, 456, 475, 570, 600, 684, 720, 760, 855, 900, 912, 950, 1140, 1200, 1368, 1425, 1520, 1710, 1800, 1900, 2280, 2736, 2850, 3420, 3600, 3800, 4275, 4560, 4691, 5700, 6840, 7600, 8550, 9382, 11400, 13680, 14073, 17100, 18764, 22800, 23455, 28146, 34200, 37528, 42219, 46910, 56292, 68400, 70365, 75056, 84438, 89129, 93820, 112584, 117275, 140730, 168876, 178258, 187640, 211095, 225168, 234550, 267387, 281460, 337752, 351825, 356516, 375280, 422190, 445645, 469100, 534774, 562920, 675504, 703650, 713032, 802161, 844380, 891290, 938200, 1055475, 1069548, 1125840, 1336935, 1407300, 1426064, 1604322, 1688760, 1782580, 1876400, 2110950, 2139096, 2228225, 2673870, 2814600, 3208644, 3377520, 3565160, 4010805, 4221900, 4278192, 4456450, 5347740, 5629200, 6417288, 6684675, 7130320, 8021610, 8443800, 8912900, 10695480, 12834576, 13369350, 16043220, 16887600, 17825800, 20054025, 21390960, 26738700, 32086440, 35651600, 40108050, 53477400, 64172880, 80216100, 106954800, 160432200, 320864400]

約数ペア:

[(1, 320864400), (2, 160432200), (3, 106954800), (4, 80216100), (5, 64172880), (6, 53477400), (8, 40108050), (9, 35651600), (10, 32086440), (12, 26738700), (15, 21390960), (16, 20054025), (18, 17825800), (19, 16887600), (20, 16043220), (24, 13369350), (25, 12834576), (30, 10695480), (36, 8912900), (38, 8443800), (40, 8021610), (45, 7130320), (48, 6684675), (50, 6417288), (57, 5629200), (60, 5347740), (72, 4456450), (75, 4278192), (76, 4221900), (80, 4010805), (90, 3565160), (95, 3377520), (100, 3208644), (114, 2814600), (120, 2673870), (144, 2228225), (150, 2139096), (152, 2110950), (171, 1876400), (180, 1782580), (190, 1688760), (200, 1604322), (225, 1426064), (228, 1407300), (240, 1336935), (285, 1125840), (300, 1069548), (304, 1055475), (342, 938200), (360, 891290), (380, 844380), (400, 802161), (450, 713032), (456, 703650), (475, 675504), (570, 562920), (600, 534774), (684, 469100), (720, 445645), (760, 422190), (855, 375280), (900, 356516), (912, 351825), (950, 337752), (1140, 281460), (1200, 267387), (1368, 234550), (1425, 225168), (1520, 211095), (1710, 187640), (1800, 178258), (1900, 168876), (2280, 140730), (2736, 117275), (2850, 112584), (3420, 93820), (3600, 89129), (3800, 84438), (4275, 75056), (4560, 70365), (4691, 68400), (5700, 56292), (6840, 46910), (7600, 42219), (8550, 37528), (9382, 34200), (11400, 28146), (13680, 23455), (14073, 22800), (17100, 18764)]