399640320

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 216

約数和(自身を含む): 1399494096

約数和(自身を除く): 999853776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 113, 120, 128, 144, 160, 180, 192, 226, 240, 256, 288, 307, 320, 339, 360, 384, 452, 480, 565, 576, 614, 640, 678, 720, 768, 904, 921, 960, 1017, 1130, 1152, 1228, 1280, 1356, 1440, 1535, 1695, 1808, 1842, 1920, 2034, 2260, 2304, 2456, 2712, 2763, 2880, 3070, 3390, 3616, 3684, 3840, 4068, 4520, 4605, 4912, 5085, 5424, 5526, 5760, 6140, 6780, 7232, 7368, 8136, 9040, 9210, 9824, 10170, 10848, 11052, 11520, 12280, 13560, 13815, 14464, 14736, 16272, 18080, 18420, 19648, 20340, 21696, 22104, 24560, 27120, 27630, 28928, 29472, 32544, 34691, 36160, 36840, 39296, 40680, 43392, 44208, 49120, 54240, 55260, 58944, 65088, 69382, 72320, 73680, 78592, 81360, 86784, 88416, 98240, 104073, 108480, 110520, 117888, 130176, 138764, 144640, 147360, 162720, 173455, 176832, 196480, 208146, 216960, 221040, 235776, 260352, 277528, 294720, 312219, 325440, 346910, 353664, 392960, 416292, 433920, 442080, 520365, 555056, 589440, 624438, 650880, 693820, 707328, 832584, 884160, 1040730, 1110112, 1178880, 1248876, 1301760, 1387640, 1561095, 1665168, 1768320, 2081460, 2220224, 2497752, 2775280, 3122190, 3330336, 3536640, 4162920, 4440448, 4995504, 5550560, 6244380, 6660672, 8325840, 8880896, 9991008, 11101120, 12488760, 13321344, 16651680, 19982016, 22202240, 24977520, 26642688, 33303360, 39964032, 44404480, 49955040, 66606720, 79928064, 99910080, 133213440, 199820160, 399640320]

約数ペア:

[(1, 399640320), (2, 199820160), (3, 133213440), (4, 99910080), (5, 79928064), (6, 66606720), (8, 49955040), (9, 44404480), (10, 39964032), (12, 33303360), (15, 26642688), (16, 24977520), (18, 22202240), (20, 19982016), (24, 16651680), (30, 13321344), (32, 12488760), (36, 11101120), (40, 9991008), (45, 8880896), (48, 8325840), (60, 6660672), (64, 6244380), (72, 5550560), (80, 4995504), (90, 4440448), (96, 4162920), (113, 3536640), (120, 3330336), (128, 3122190), (144, 2775280), (160, 2497752), (180, 2220224), (192, 2081460), (226, 1768320), (240, 1665168), (256, 1561095), (288, 1387640), (307, 1301760), (320, 1248876), (339, 1178880), (360, 1110112), (384, 1040730), (452, 884160), (480, 832584), (565, 707328), (576, 693820), (614, 650880), (640, 624438), (678, 589440), (720, 555056), (768, 520365), (904, 442080), (921, 433920), (960, 416292), (1017, 392960), (1130, 353664), (1152, 346910), (1228, 325440), (1280, 312219), (1356, 294720), (1440, 277528), (1535, 260352), (1695, 235776), (1808, 221040), (1842, 216960), (1920, 208146), (2034, 196480), (2260, 176832), (2304, 173455), (2456, 162720), (2712, 147360), (2763, 144640), (2880, 138764), (3070, 130176), (3390, 117888), (3616, 110520), (3684, 108480), (3840, 104073), (4068, 98240), (4520, 88416), (4605, 86784), (4912, 81360), (5085, 78592), (5424, 73680), (5526, 72320), (5760, 69382), (6140, 65088), (6780, 58944), (7232, 55260), (7368, 54240), (8136, 49120), (9040, 44208), (9210, 43392), (9824, 40680), (10170, 39296), (10848, 36840), (11052, 36160), (11520, 34691), (12280, 32544), (13560, 29472), (13815, 28928), (14464, 27630), (14736, 27120), (16272, 24560), (18080, 22104), (18420, 21696), (19648, 20340)]