78850980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1146

約数の個数: 144

約数和(自身を含む): 266133504

約数和(自身を除く): 187282524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1087, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2174, 2340, 2418, 2790, 3261, 3627, 4030, 4348, 4836, 5435, 5580, 6045, 6522, 7254, 8060, 9783, 10870, 12090, 13044, 14131, 14508, 16305, 18135, 19566, 21740, 24180, 28262, 32610, 33697, 36270, 39132, 42393, 48915, 56524, 65220, 67394, 70655, 72540, 84786, 97830, 101091, 127179, 134788, 141310, 168485, 169572, 195660, 202182, 211965, 254358, 282620, 303273, 336970, 404364, 423930, 438061, 505455, 508716, 606546, 635895, 673940, 847860, 876122, 1010910, 1213092, 1271790, 1314183, 1516365, 1752244, 2021820, 2190305, 2543580, 2628366, 3032730, 3942549, 4380610, 5256732, 6065460, 6570915, 7885098, 8761220, 13141830, 15770196, 19712745, 26283660, 39425490, 78850980]

約数ペア:

[(1, 78850980), (2, 39425490), (3, 26283660), (4, 19712745), (5, 15770196), (6, 13141830), (9, 8761220), (10, 7885098), (12, 6570915), (13, 6065460), (15, 5256732), (18, 4380610), (20, 3942549), (26, 3032730), (30, 2628366), (31, 2543580), (36, 2190305), (39, 2021820), (45, 1752244), (52, 1516365), (60, 1314183), (62, 1271790), (65, 1213092), (78, 1010910), (90, 876122), (93, 847860), (117, 673940), (124, 635895), (130, 606546), (155, 508716), (156, 505455), (180, 438061), (186, 423930), (195, 404364), (234, 336970), (260, 303273), (279, 282620), (310, 254358), (372, 211965), (390, 202182), (403, 195660), (465, 169572), (468, 168485), (558, 141310), (585, 134788), (620, 127179), (780, 101091), (806, 97830), (930, 84786), (1087, 72540), (1116, 70655), (1170, 67394), (1209, 65220), (1395, 56524), (1612, 48915), (1860, 42393), (2015, 39132), (2174, 36270), (2340, 33697), (2418, 32610), (2790, 28262), (3261, 24180), (3627, 21740), (4030, 19566), (4348, 18135), (4836, 16305), (5435, 14508), (5580, 14131), (6045, 13044), (6522, 12090), (7254, 10870), (8060, 9783)]