689494920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1907}}^1$

素因数の和:2075

約数の個数: 128

約数和(自身を含む): 2176035840

約数和(自身を除く): 1486540920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 131, 138, 184, 230, 262, 276, 345, 393, 460, 524, 552, 655, 690, 786, 920, 1048, 1310, 1380, 1572, 1907, 1965, 2620, 2760, 3013, 3144, 3814, 3930, 5240, 5721, 6026, 7628, 7860, 9039, 9535, 11442, 12052, 15065, 15256, 15720, 18078, 19070, 22884, 24104, 28605, 30130, 36156, 38140, 43861, 45195, 45768, 57210, 60260, 72312, 76280, 87722, 90390, 114420, 120520, 131583, 175444, 180780, 219305, 228840, 249817, 263166, 350888, 361560, 438610, 499634, 526332, 657915, 749451, 877220, 999268, 1052664, 1249085, 1315830, 1498902, 1754440, 1998536, 2498170, 2631660, 2997804, 3747255, 4996340, 5263320, 5745791, 5995608, 7494510, 9992680, 11491582, 14989020, 17237373, 22983164, 28728955, 29978040, 34474746, 45966328, 57457910, 68949492, 86186865, 114915820, 137898984, 172373730, 229831640, 344747460, 689494920]

約数ペア:

[(1, 689494920), (2, 344747460), (3, 229831640), (4, 172373730), (5, 137898984), (6, 114915820), (8, 86186865), (10, 68949492), (12, 57457910), (15, 45966328), (20, 34474746), (23, 29978040), (24, 28728955), (30, 22983164), (40, 17237373), (46, 14989020), (60, 11491582), (69, 9992680), (92, 7494510), (115, 5995608), (120, 5745791), (131, 5263320), (138, 4996340), (184, 3747255), (230, 2997804), (262, 2631660), (276, 2498170), (345, 1998536), (393, 1754440), (460, 1498902), (524, 1315830), (552, 1249085), (655, 1052664), (690, 999268), (786, 877220), (920, 749451), (1048, 657915), (1310, 526332), (1380, 499634), (1572, 438610), (1907, 361560), (1965, 350888), (2620, 263166), (2760, 249817), (3013, 228840), (3144, 219305), (3814, 180780), (3930, 175444), (5240, 131583), (5721, 120520), (6026, 114420), (7628, 90390), (7860, 87722), (9039, 76280), (9535, 72312), (11442, 60260), (12052, 57210), (15065, 45768), (15256, 45195), (15720, 43861), (18078, 38140), (19070, 36156), (22884, 30130), (24104, 28605)]