178287720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4969}}^1$

素因数の和:5019

約数の個数: 128

約数和(自身を含む): 601171200

約数和(自身を除く): 422883480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 4969, 5980, 7176, 8970, 9938, 11960, 14907, 17940, 19876, 24845, 29814, 35880, 39752, 49690, 59628, 64597, 74535, 99380, 114287, 119256, 129194, 149070, 193791, 198760, 228574, 258388, 298140, 322985, 342861, 387582, 457148, 516776, 571435, 596280, 645970, 685722, 775164, 914296, 968955, 1142870, 1291940, 1371444, 1485731, 1550328, 1714305, 1937910, 2285740, 2583880, 2742888, 2971462, 3428610, 3875820, 4457193, 4571480, 5942924, 6857220, 7428655, 7751640, 8914386, 11885848, 13714440, 14857310, 17828772, 22285965, 29714620, 35657544, 44571930, 59429240, 89143860, 178287720]

約数ペア:

[(1, 178287720), (2, 89143860), (3, 59429240), (4, 44571930), (5, 35657544), (6, 29714620), (8, 22285965), (10, 17828772), (12, 14857310), (13, 13714440), (15, 11885848), (20, 8914386), (23, 7751640), (24, 7428655), (26, 6857220), (30, 5942924), (39, 4571480), (40, 4457193), (46, 3875820), (52, 3428610), (60, 2971462), (65, 2742888), (69, 2583880), (78, 2285740), (92, 1937910), (104, 1714305), (115, 1550328), (120, 1485731), (130, 1371444), (138, 1291940), (156, 1142870), (184, 968955), (195, 914296), (230, 775164), (260, 685722), (276, 645970), (299, 596280), (312, 571435), (345, 516776), (390, 457148), (460, 387582), (520, 342861), (552, 322985), (598, 298140), (690, 258388), (780, 228574), (897, 198760), (920, 193791), (1196, 149070), (1380, 129194), (1495, 119256), (1560, 114287), (1794, 99380), (2392, 74535), (2760, 64597), (2990, 59628), (3588, 49690), (4485, 39752), (4969, 35880), (5980, 29814), (7176, 24845), (8970, 19876), (9938, 17940), (11960, 14907)]