77572040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 217969920

約数和(自身を除く): 140397880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 101, 104, 130, 140, 182, 202, 211, 260, 280, 364, 404, 422, 455, 505, 520, 707, 728, 808, 844, 910, 1010, 1055, 1313, 1414, 1477, 1688, 1820, 2020, 2110, 2626, 2743, 2828, 2954, 3535, 3640, 4040, 4220, 5252, 5486, 5656, 5908, 6565, 7070, 7385, 8440, 9191, 10504, 10972, 11816, 13130, 13715, 14140, 14770, 18382, 19201, 21311, 21944, 26260, 27430, 28280, 29540, 36764, 38402, 42622, 45955, 52520, 54860, 59080, 73528, 76804, 85244, 91910, 96005, 106555, 109720, 149177, 153608, 170488, 183820, 192010, 213110, 277043, 298354, 367640, 384020, 426220, 554086, 596708, 745885, 768040, 852440, 1108172, 1193416, 1385215, 1491770, 1939301, 2216344, 2770430, 2983540, 3878602, 5540860, 5967080, 7757204, 9696505, 11081720, 15514408, 19393010, 38786020, 77572040]

約数ペア:

[(1, 77572040), (2, 38786020), (4, 19393010), (5, 15514408), (7, 11081720), (8, 9696505), (10, 7757204), (13, 5967080), (14, 5540860), (20, 3878602), (26, 2983540), (28, 2770430), (35, 2216344), (40, 1939301), (52, 1491770), (56, 1385215), (65, 1193416), (70, 1108172), (91, 852440), (101, 768040), (104, 745885), (130, 596708), (140, 554086), (182, 426220), (202, 384020), (211, 367640), (260, 298354), (280, 277043), (364, 213110), (404, 192010), (422, 183820), (455, 170488), (505, 153608), (520, 149177), (707, 109720), (728, 106555), (808, 96005), (844, 91910), (910, 85244), (1010, 76804), (1055, 73528), (1313, 59080), (1414, 54860), (1477, 52520), (1688, 45955), (1820, 42622), (2020, 38402), (2110, 36764), (2626, 29540), (2743, 28280), (2828, 27430), (2954, 26260), (3535, 21944), (3640, 21311), (4040, 19201), (4220, 18382), (5252, 14770), (5486, 14140), (5656, 13715), (5908, 13130), (6565, 11816), (7070, 10972), (7385, 10504), (8440, 9191)]