209621760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:794

約数の個数: 144

約数和(自身を含む): 678935040

約数和(自身を除く): 469313280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 256, 316, 320, 384, 395, 474, 480, 632, 640, 691, 768, 790, 948, 960, 1185, 1264, 1280, 1382, 1580, 1896, 1920, 2073, 2370, 2528, 2764, 3160, 3455, 3792, 3840, 4146, 4740, 5056, 5528, 6320, 6910, 7584, 8292, 9480, 10112, 10365, 11056, 12640, 13820, 15168, 16584, 18960, 20224, 20730, 22112, 25280, 27640, 30336, 33168, 37920, 41460, 44224, 50560, 54589, 55280, 60672, 66336, 75840, 82920, 88448, 101120, 109178, 110560, 132672, 151680, 163767, 165840, 176896, 218356, 221120, 265344, 272945, 303360, 327534, 331680, 436712, 442240, 530688, 545890, 655068, 663360, 818835, 873424, 884480, 1091780, 1310136, 1326720, 1637670, 1746848, 2183560, 2620272, 2653440, 3275340, 3493696, 4367120, 5240544, 6550680, 6987392, 8734240, 10481088, 13101360, 13974784, 17468480, 20962176, 26202720, 34936960, 41924352, 52405440, 69873920, 104810880, 209621760]

約数ペア:

[(1, 209621760), (2, 104810880), (3, 69873920), (4, 52405440), (5, 41924352), (6, 34936960), (8, 26202720), (10, 20962176), (12, 17468480), (15, 13974784), (16, 13101360), (20, 10481088), (24, 8734240), (30, 6987392), (32, 6550680), (40, 5240544), (48, 4367120), (60, 3493696), (64, 3275340), (79, 2653440), (80, 2620272), (96, 2183560), (120, 1746848), (128, 1637670), (158, 1326720), (160, 1310136), (192, 1091780), (237, 884480), (240, 873424), (256, 818835), (316, 663360), (320, 655068), (384, 545890), (395, 530688), (474, 442240), (480, 436712), (632, 331680), (640, 327534), (691, 303360), (768, 272945), (790, 265344), (948, 221120), (960, 218356), (1185, 176896), (1264, 165840), (1280, 163767), (1382, 151680), (1580, 132672), (1896, 110560), (1920, 109178), (2073, 101120), (2370, 88448), (2528, 82920), (2764, 75840), (3160, 66336), (3455, 60672), (3792, 55280), (3840, 54589), (4146, 50560), (4740, 44224), (5056, 41460), (5528, 37920), (6320, 33168), (6910, 30336), (7584, 27640), (8292, 25280), (9480, 22112), (10112, 20730), (10365, 20224), (11056, 18960), (12640, 16584), (13820, 15168)]