277817820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2459}}^1$

素因数の和:2747

約数の個数: 96

約数和(自身を含む): 892684800

約数和(自身を除く): 614866980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 269, 420, 538, 807, 1076, 1345, 1614, 1883, 2459, 2690, 3228, 3766, 4035, 4918, 5380, 5649, 7377, 7532, 8070, 9415, 9836, 11298, 12295, 14754, 16140, 17213, 18830, 22596, 24590, 28245, 29508, 34426, 36885, 37660, 49180, 51639, 56490, 68852, 73770, 86065, 103278, 112980, 147540, 172130, 206556, 258195, 344260, 516390, 661471, 1032780, 1322942, 1984413, 2645884, 3307355, 3968826, 4630297, 6614710, 7937652, 9260594, 9922065, 13229420, 13890891, 18521188, 19844130, 23151485, 27781782, 39688260, 46302970, 55563564, 69454455, 92605940, 138908910, 277817820]

約数ペア:

[(1, 277817820), (2, 138908910), (3, 92605940), (4, 69454455), (5, 55563564), (6, 46302970), (7, 39688260), (10, 27781782), (12, 23151485), (14, 19844130), (15, 18521188), (20, 13890891), (21, 13229420), (28, 9922065), (30, 9260594), (35, 7937652), (42, 6614710), (60, 4630297), (70, 3968826), (84, 3307355), (105, 2645884), (140, 1984413), (210, 1322942), (269, 1032780), (420, 661471), (538, 516390), (807, 344260), (1076, 258195), (1345, 206556), (1614, 172130), (1883, 147540), (2459, 112980), (2690, 103278), (3228, 86065), (3766, 73770), (4035, 68852), (4918, 56490), (5380, 51639), (5649, 49180), (7377, 37660), (7532, 36885), (8070, 34426), (9415, 29508), (9836, 28245), (11298, 24590), (12295, 22596), (14754, 18830), (16140, 17213)]