20160075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 39997440

約数和(自身を除く): 19837365

約数列:

[1, 3, 5, 13, 15, 23, 25, 29, 31, 39, 65, 69, 75, 87, 93, 115, 145, 155, 195, 299, 325, 345, 377, 403, 435, 465, 575, 667, 713, 725, 775, 897, 899, 975, 1131, 1209, 1495, 1725, 1885, 2001, 2015, 2139, 2175, 2325, 2697, 3335, 3565, 4485, 4495, 5655, 6045, 7475, 8671, 9269, 9425, 10005, 10075, 10695, 11687, 13485, 16675, 17825, 20677, 22425, 22475, 26013, 27807, 28275, 30225, 35061, 43355, 46345, 50025, 53475, 58435, 62031, 67425, 103385, 130065, 139035, 175305, 216775, 231725, 268801, 292175, 310155, 516925, 650325, 695175, 806403, 876525, 1344005, 1550775, 4032015, 6720025, 20160075]

約数ペア:

[(1, 20160075), (3, 6720025), (5, 4032015), (13, 1550775), (15, 1344005), (23, 876525), (25, 806403), (29, 695175), (31, 650325), (39, 516925), (65, 310155), (69, 292175), (75, 268801), (87, 231725), (93, 216775), (115, 175305), (145, 139035), (155, 130065), (195, 103385), (299, 67425), (325, 62031), (345, 58435), (377, 53475), (403, 50025), (435, 46345), (465, 43355), (575, 35061), (667, 30225), (713, 28275), (725, 27807), (775, 26013), (897, 22475), (899, 22425), (975, 20677), (1131, 17825), (1209, 16675), (1495, 13485), (1725, 11687), (1885, 10695), (2001, 10075), (2015, 10005), (2139, 9425), (2175, 9269), (2325, 8671), (2697, 7475), (3335, 6045), (3565, 5655), (4485, 4495)]