77151780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1327}}^1$

素因数の和:1378

約数の個数: 144

約数和(自身を含む): 261031680

約数和(自身を除く): 183879900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1327, 1530, 1615, 1710, 1938, 2654, 2907, 3060, 3230, 3420, 3876, 3981, 4845, 5308, 5814, 6460, 6635, 7962, 9690, 11628, 11943, 13270, 14535, 15924, 19380, 19905, 22559, 23886, 25213, 26540, 29070, 39810, 45118, 47772, 50426, 58140, 59715, 67677, 75639, 79620, 90236, 100852, 112795, 119430, 126065, 135354, 151278, 203031, 225590, 226917, 238860, 252130, 270708, 302556, 338385, 378195, 406062, 428621, 451180, 453834, 504260, 676770, 756390, 812124, 857242, 907668, 1015155, 1134585, 1285863, 1353540, 1512780, 1714484, 2030310, 2143105, 2269170, 2571726, 3857589, 4060620, 4286210, 4538340, 5143452, 6429315, 7715178, 8572420, 12858630, 15430356, 19287945, 25717260, 38575890, 77151780]

約数ペア:

[(1, 77151780), (2, 38575890), (3, 25717260), (4, 19287945), (5, 15430356), (6, 12858630), (9, 8572420), (10, 7715178), (12, 6429315), (15, 5143452), (17, 4538340), (18, 4286210), (19, 4060620), (20, 3857589), (30, 2571726), (34, 2269170), (36, 2143105), (38, 2030310), (45, 1714484), (51, 1512780), (57, 1353540), (60, 1285863), (68, 1134585), (76, 1015155), (85, 907668), (90, 857242), (95, 812124), (102, 756390), (114, 676770), (153, 504260), (170, 453834), (171, 451180), (180, 428621), (190, 406062), (204, 378195), (228, 338385), (255, 302556), (285, 270708), (306, 252130), (323, 238860), (340, 226917), (342, 225590), (380, 203031), (510, 151278), (570, 135354), (612, 126065), (646, 119430), (684, 112795), (765, 100852), (855, 90236), (969, 79620), (1020, 75639), (1140, 67677), (1292, 59715), (1327, 58140), (1530, 50426), (1615, 47772), (1710, 45118), (1938, 39810), (2654, 29070), (2907, 26540), (3060, 25213), (3230, 23886), (3420, 22559), (3876, 19905), (3981, 19380), (4845, 15924), (5308, 14535), (5814, 13270), (6460, 11943), (6635, 11628), (7962, 9690)]