77217520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1442

約数の個数: 80

約数和(自身を含む): 194228640

約数和(自身を除く): 117011120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1373, 1406, 1480, 1520, 2746, 2812, 2960, 3515, 5492, 5624, 6865, 7030, 10984, 11248, 13730, 14060, 21968, 26087, 27460, 28120, 50801, 52174, 54920, 56240, 101602, 104348, 109840, 130435, 203204, 208696, 254005, 260870, 406408, 417392, 508010, 521740, 812816, 965219, 1016020, 1043480, 1930438, 2032040, 2086960, 3860876, 4064080, 4826095, 7721752, 9652190, 15443504, 19304380, 38608760, 77217520]

約数ペア:

[(1, 77217520), (2, 38608760), (4, 19304380), (5, 15443504), (8, 9652190), (10, 7721752), (16, 4826095), (19, 4064080), (20, 3860876), (37, 2086960), (38, 2032040), (40, 1930438), (74, 1043480), (76, 1016020), (80, 965219), (95, 812816), (148, 521740), (152, 508010), (185, 417392), (190, 406408), (296, 260870), (304, 254005), (370, 208696), (380, 203204), (592, 130435), (703, 109840), (740, 104348), (760, 101602), (1373, 56240), (1406, 54920), (1480, 52174), (1520, 50801), (2746, 28120), (2812, 27460), (2960, 26087), (3515, 21968), (5492, 14060), (5624, 13730), (6865, 11248), (7030, 10984)]