80016480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:509

約数の個数: 144

約数和(自身を含む): 275459184

約数和(自身を除く): 195442704

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, 72, 80, 90, 96, 120, 144, 160, 180, 181, 240, 288, 307, 360, 362, 480, 543, 614, 720, 724, 905, 921, 1086, 1228, 1440, 1448, 1535, 1629, 1810, 1842, 2172, 2456, 2715, 2763, 2896, 3070, 3258, 3620, 3684, 4344, 4605, 4912, 5430, 5526, 5792, 6140, 6516, 7240, 7368, 8145, 8688, 9210, 9824, 10860, 11052, 12280, 13032, 13815, 14480, 14736, 16290, 17376, 18420, 21720, 22104, 24560, 26064, 27630, 28960, 29472, 32580, 36840, 43440, 44208, 49120, 52128, 55260, 55567, 65160, 73680, 86880, 88416, 110520, 111134, 130320, 147360, 166701, 221040, 222268, 260640, 277835, 333402, 442080, 444536, 500103, 555670, 666804, 833505, 889072, 1000206, 1111340, 1333608, 1667010, 1778144, 2000412, 2222680, 2500515, 2667216, 3334020, 4000824, 4445360, 5001030, 5334432, 6668040, 8001648, 8890720, 10002060, 13336080, 16003296, 20004120, 26672160, 40008240, 80016480]

約数ペア:

[(1, 80016480), (2, 40008240), (3, 26672160), (4, 20004120), (5, 16003296), (6, 13336080), (8, 10002060), (9, 8890720), (10, 8001648), (12, 6668040), (15, 5334432), (16, 5001030), (18, 4445360), (20, 4000824), (24, 3334020), (30, 2667216), (32, 2500515), (36, 2222680), (40, 2000412), (45, 1778144), (48, 1667010), (60, 1333608), (72, 1111340), (80, 1000206), (90, 889072), (96, 833505), (120, 666804), (144, 555670), (160, 500103), (180, 444536), (181, 442080), (240, 333402), (288, 277835), (307, 260640), (360, 222268), (362, 221040), (480, 166701), (543, 147360), (614, 130320), (720, 111134), (724, 110520), (905, 88416), (921, 86880), (1086, 73680), (1228, 65160), (1440, 55567), (1448, 55260), (1535, 52128), (1629, 49120), (1810, 44208), (1842, 43440), (2172, 36840), (2456, 32580), (2715, 29472), (2763, 28960), (2896, 27630), (3070, 26064), (3258, 24560), (3620, 22104), (3684, 21720), (4344, 18420), (4605, 17376), (4912, 16290), (5430, 14736), (5526, 14480), (5792, 13815), (6140, 13032), (6516, 12280), (7240, 11052), (7368, 10860), (8145, 9824), (8688, 9210)]