68578640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 160

約数和(自身を含む): 185988096

約数和(自身を除く): 117409456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 47, 52, 61, 65, 80, 92, 94, 104, 115, 122, 130, 184, 188, 208, 230, 235, 244, 260, 299, 305, 368, 376, 460, 470, 488, 520, 598, 610, 611, 752, 793, 920, 940, 976, 1040, 1081, 1196, 1220, 1222, 1403, 1495, 1586, 1840, 1880, 2162, 2392, 2440, 2444, 2806, 2867, 2990, 3055, 3172, 3760, 3965, 4324, 4784, 4880, 4888, 5405, 5612, 5734, 5980, 6110, 6344, 7015, 7930, 8648, 9776, 10810, 11224, 11468, 11960, 12220, 12688, 14030, 14053, 14335, 15860, 17296, 18239, 21620, 22448, 22936, 23920, 24440, 28060, 28106, 28670, 31720, 36478, 37271, 43240, 45872, 48880, 56120, 56212, 57340, 63440, 65941, 70265, 72956, 74542, 86480, 91195, 112240, 112424, 114680, 131882, 140530, 145912, 149084, 182390, 186355, 224848, 229360, 263764, 281060, 291824, 298168, 329705, 364780, 372710, 527528, 562120, 596336, 659410, 729560, 745420, 857233, 1055056, 1124240, 1318820, 1459120, 1490840, 1714466, 2637640, 2981680, 3428932, 4286165, 5275280, 6857864, 8572330, 13715728, 17144660, 34289320, 68578640]

約数ペア:

[(1, 68578640), (2, 34289320), (4, 17144660), (5, 13715728), (8, 8572330), (10, 6857864), (13, 5275280), (16, 4286165), (20, 3428932), (23, 2981680), (26, 2637640), (40, 1714466), (46, 1490840), (47, 1459120), (52, 1318820), (61, 1124240), (65, 1055056), (80, 857233), (92, 745420), (94, 729560), (104, 659410), (115, 596336), (122, 562120), (130, 527528), (184, 372710), (188, 364780), (208, 329705), (230, 298168), (235, 291824), (244, 281060), (260, 263764), (299, 229360), (305, 224848), (368, 186355), (376, 182390), (460, 149084), (470, 145912), (488, 140530), (520, 131882), (598, 114680), (610, 112424), (611, 112240), (752, 91195), (793, 86480), (920, 74542), (940, 72956), (976, 70265), (1040, 65941), (1081, 63440), (1196, 57340), (1220, 56212), (1222, 56120), (1403, 48880), (1495, 45872), (1586, 43240), (1840, 37271), (1880, 36478), (2162, 31720), (2392, 28670), (2440, 28106), (2444, 28060), (2806, 24440), (2867, 23920), (2990, 22936), (3055, 22448), (3172, 21620), (3760, 18239), (3965, 17296), (4324, 15860), (4784, 14335), (4880, 14053), (4888, 14030), (5405, 12688), (5612, 12220), (5734, 11960), (5980, 11468), (6110, 11224), (6344, 10810), (7015, 9776), (7930, 8648)]