15995401520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1241879}}^1$

素因数の和:1241922

約数の個数: 80

約数和(自身を含む): 44350018560

約数和(自身を除く): 28354617040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 1241879, 2483758, 4967516, 6209395, 8693153, 9935032, 12418790, 17386306, 19870064, 24837580, 28563217, 34772612, 43465765, 49675160, 57126434, 69545224, 86931530, 99350320, 114252868, 139090448, 142816085, 173863060, 199942519, 228505736, 285632170, 347726120, 399885038, 457011472, 571264340, 695452240, 799770076, 999712595, 1142528680, 1599540152, 1999425190, 2285057360, 3199080304, 3998850380, 7997700760, 15995401520]

約数ペア:

[(1, 15995401520), (2, 7997700760), (4, 3998850380), (5, 3199080304), (7, 2285057360), (8, 1999425190), (10, 1599540152), (14, 1142528680), (16, 999712595), (20, 799770076), (23, 695452240), (28, 571264340), (35, 457011472), (40, 399885038), (46, 347726120), (56, 285632170), (70, 228505736), (80, 199942519), (92, 173863060), (112, 142816085), (115, 139090448), (140, 114252868), (161, 99350320), (184, 86931530), (230, 69545224), (280, 57126434), (322, 49675160), (368, 43465765), (460, 34772612), (560, 28563217), (644, 24837580), (805, 19870064), (920, 17386306), (1288, 12418790), (1610, 9935032), (1840, 8693153), (2576, 6209395), (3220, 4967516), (6440, 2483758), (12880, 1241879)]