999458520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{787}}^1$

素因数の和:1377

約数の個数: 128

約数和(自身を含む): 3165868800

約数和(自身を除く): 2166410280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 557, 570, 760, 787, 1114, 1140, 1574, 1671, 2228, 2280, 2361, 2785, 3148, 3342, 3935, 4456, 4722, 5570, 6296, 6684, 7870, 8355, 9444, 10583, 11140, 11805, 13368, 14953, 15740, 16710, 18888, 21166, 22280, 23610, 29906, 31480, 31749, 33420, 42332, 44859, 47220, 52915, 59812, 63498, 66840, 74765, 84664, 89718, 94440, 105830, 119624, 126996, 149530, 158745, 179436, 211660, 224295, 253992, 299060, 317490, 358872, 423320, 438359, 448590, 598120, 634980, 876718, 897180, 1269960, 1315077, 1753436, 1794360, 2191795, 2630154, 3506872, 4383590, 5260308, 6575385, 8328821, 8767180, 10520616, 13150770, 16657642, 17534360, 24986463, 26301540, 33315284, 41644105, 49972926, 52603080, 66630568, 83288210, 99945852, 124932315, 166576420, 199891704, 249864630, 333152840, 499729260, 999458520]

約数ペア:

[(1, 999458520), (2, 499729260), (3, 333152840), (4, 249864630), (5, 199891704), (6, 166576420), (8, 124932315), (10, 99945852), (12, 83288210), (15, 66630568), (19, 52603080), (20, 49972926), (24, 41644105), (30, 33315284), (38, 26301540), (40, 24986463), (57, 17534360), (60, 16657642), (76, 13150770), (95, 10520616), (114, 8767180), (120, 8328821), (152, 6575385), (190, 5260308), (228, 4383590), (285, 3506872), (380, 2630154), (456, 2191795), (557, 1794360), (570, 1753436), (760, 1315077), (787, 1269960), (1114, 897180), (1140, 876718), (1574, 634980), (1671, 598120), (2228, 448590), (2280, 438359), (2361, 423320), (2785, 358872), (3148, 317490), (3342, 299060), (3935, 253992), (4456, 224295), (4722, 211660), (5570, 179436), (6296, 158745), (6684, 149530), (7870, 126996), (8355, 119624), (9444, 105830), (10583, 94440), (11140, 89718), (11805, 84664), (13368, 74765), (14953, 66840), (15740, 63498), (16710, 59812), (18888, 52915), (21166, 47220), (22280, 44859), (23610, 42332), (29906, 33420), (31480, 31749)]