21180496560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{54713}}^1$

素因数の和:56342

約数の個数: 80

約数和(自身を含む): 65701446624

約数和(自身を除く): 44520950064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1613, 3226, 4839, 6452, 8065, 9678, 12904, 16130, 19356, 24195, 25808, 32260, 38712, 48390, 54713, 64520, 77424, 96780, 109426, 129040, 164139, 193560, 218852, 273565, 328278, 387120, 437704, 547130, 656556, 820695, 875408, 1094260, 1313112, 1641390, 2188520, 2626224, 3282780, 4377040, 6565560, 13131120, 88252069, 176504138, 264756207, 353008276, 441260345, 529512414, 706016552, 882520690, 1059024828, 1323781035, 1412033104, 1765041380, 2118049656, 2647562070, 3530082760, 4236099312, 5295124140, 7060165520, 10590248280, 21180496560]

約数ペア:

[(1, 21180496560), (2, 10590248280), (3, 7060165520), (4, 5295124140), (5, 4236099312), (6, 3530082760), (8, 2647562070), (10, 2118049656), (12, 1765041380), (15, 1412033104), (16, 1323781035), (20, 1059024828), (24, 882520690), (30, 706016552), (40, 529512414), (48, 441260345), (60, 353008276), (80, 264756207), (120, 176504138), (240, 88252069), (1613, 13131120), (3226, 6565560), (4839, 4377040), (6452, 3282780), (8065, 2626224), (9678, 2188520), (12904, 1641390), (16130, 1313112), (19356, 1094260), (24195, 875408), (25808, 820695), (32260, 656556), (38712, 547130), (48390, 437704), (54713, 387120), (64520, 328278), (77424, 273565), (96780, 218852), (109426, 193560), (129040, 164139)]