129167080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:719

約数の個数: 128

約数和(自身を含む): 358318080

約数和(自身を除く): 229151000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 434, 460, 620, 644, 647, 713, 805, 868, 920, 1085, 1240, 1288, 1294, 1426, 1610, 1736, 2170, 2588, 2852, 3220, 3235, 3565, 4340, 4529, 4991, 5176, 5704, 6440, 6470, 7130, 8680, 9058, 9982, 12940, 14260, 14881, 18116, 19964, 20057, 22645, 24955, 25880, 28520, 29762, 36232, 39928, 40114, 45290, 49910, 59524, 74405, 80228, 90580, 99820, 100285, 104167, 119048, 140399, 148810, 160456, 181160, 199640, 200570, 208334, 280798, 297620, 401140, 416668, 461311, 520835, 561596, 595240, 701995, 802280, 833336, 922622, 1041670, 1123192, 1403990, 1845244, 2083340, 2306555, 2807980, 3229177, 3690488, 4166680, 4613110, 5615960, 6458354, 9226220, 12916708, 16145885, 18452440, 25833416, 32291770, 64583540, 129167080]

約数ペア:

[(1, 129167080), (2, 64583540), (4, 32291770), (5, 25833416), (7, 18452440), (8, 16145885), (10, 12916708), (14, 9226220), (20, 6458354), (23, 5615960), (28, 4613110), (31, 4166680), (35, 3690488), (40, 3229177), (46, 2807980), (56, 2306555), (62, 2083340), (70, 1845244), (92, 1403990), (115, 1123192), (124, 1041670), (140, 922622), (155, 833336), (161, 802280), (184, 701995), (217, 595240), (230, 561596), (248, 520835), (280, 461311), (310, 416668), (322, 401140), (434, 297620), (460, 280798), (620, 208334), (644, 200570), (647, 199640), (713, 181160), (805, 160456), (868, 148810), (920, 140399), (1085, 119048), (1240, 104167), (1288, 100285), (1294, 99820), (1426, 90580), (1610, 80228), (1736, 74405), (2170, 59524), (2588, 49910), (2852, 45290), (3220, 40114), (3235, 39928), (3565, 36232), (4340, 29762), (4529, 28520), (4991, 25880), (5176, 24955), (5704, 22645), (6440, 20057), (6470, 19964), (7130, 18116), (8680, 14881), (9058, 14260), (9982, 12940)]