170421720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8821}}^1$

素因数の和:8865

約数の個数: 128

約数和(自身を含む): 609776640

約数和(自身を除く): 439354920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 8821, 9660, 17642, 19320, 26463, 35284, 44105, 52926, 61747, 70568, 88210, 105852, 123494, 132315, 176420, 185241, 202883, 211704, 246988, 264630, 308735, 352840, 370482, 405766, 493976, 529260, 608649, 617470, 740964, 811532, 926205, 1014415, 1058520, 1217298, 1234940, 1420181, 1481928, 1623064, 1852410, 2028830, 2434596, 2469880, 2840362, 3043245, 3704820, 4057660, 4260543, 4869192, 5680724, 6086490, 7100905, 7409640, 8115320, 8521086, 11361448, 12172980, 14201810, 17042172, 21302715, 24345960, 28403620, 34084344, 42605430, 56807240, 85210860, 170421720]

約数ペア:

[(1, 170421720), (2, 85210860), (3, 56807240), (4, 42605430), (5, 34084344), (6, 28403620), (7, 24345960), (8, 21302715), (10, 17042172), (12, 14201810), (14, 12172980), (15, 11361448), (20, 8521086), (21, 8115320), (23, 7409640), (24, 7100905), (28, 6086490), (30, 5680724), (35, 4869192), (40, 4260543), (42, 4057660), (46, 3704820), (56, 3043245), (60, 2840362), (69, 2469880), (70, 2434596), (84, 2028830), (92, 1852410), (105, 1623064), (115, 1481928), (120, 1420181), (138, 1234940), (140, 1217298), (161, 1058520), (168, 1014415), (184, 926205), (210, 811532), (230, 740964), (276, 617470), (280, 608649), (322, 529260), (345, 493976), (420, 405766), (460, 370482), (483, 352840), (552, 308735), (644, 264630), (690, 246988), (805, 211704), (840, 202883), (920, 185241), (966, 176420), (1288, 132315), (1380, 123494), (1610, 105852), (1932, 88210), (2415, 70568), (2760, 61747), (3220, 52926), (3864, 44105), (4830, 35284), (6440, 26463), (8821, 19320), (9660, 17642)]