8239980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{853}}^1$

素因数の和:895

約数の個数: 96

約数和(自身を含む): 27546624

約数和(自身を除く): 19306644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 853, 966, 1380, 1610, 1706, 1932, 2415, 2559, 3220, 3412, 4265, 4830, 5118, 5971, 8530, 9660, 10236, 11942, 12795, 17060, 17913, 19619, 23884, 25590, 29855, 35826, 39238, 51180, 58857, 59710, 71652, 78476, 89565, 98095, 117714, 119420, 137333, 179130, 196190, 235428, 274666, 294285, 358260, 392380, 411999, 549332, 588570, 686665, 823998, 1177140, 1373330, 1647996, 2059995, 2746660, 4119990, 8239980]

約数ペア:

[(1, 8239980), (2, 4119990), (3, 2746660), (4, 2059995), (5, 1647996), (6, 1373330), (7, 1177140), (10, 823998), (12, 686665), (14, 588570), (15, 549332), (20, 411999), (21, 392380), (23, 358260), (28, 294285), (30, 274666), (35, 235428), (42, 196190), (46, 179130), (60, 137333), (69, 119420), (70, 117714), (84, 98095), (92, 89565), (105, 78476), (115, 71652), (138, 59710), (140, 58857), (161, 51180), (210, 39238), (230, 35826), (276, 29855), (322, 25590), (345, 23884), (420, 19619), (460, 17913), (483, 17060), (644, 12795), (690, 11942), (805, 10236), (853, 9660), (966, 8530), (1380, 5971), (1610, 5118), (1706, 4830), (1932, 4265), (2415, 3412), (2559, 3220)]