180021660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{32971}}^1$

素因数の和:33003

約数の個数: 96

約数和(自身を含む): 620401152

約数和(自身を除く): 440379492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 32971, 65942, 98913, 131884, 164855, 197826, 230797, 329710, 395652, 428623, 461594, 494565, 659420, 692391, 857246, 923188, 989130, 1153985, 1285869, 1384782, 1714492, 1978260, 2143115, 2307970, 2571738, 2769564, 3000361, 3461955, 4286230, 4615940, 5143476, 6000722, 6429345, 6923910, 8572460, 9001083, 12001444, 12858690, 13847820, 15001805, 18002166, 25717380, 30003610, 36004332, 45005415, 60007220, 90010830, 180021660]

約数ペア:

[(1, 180021660), (2, 90010830), (3, 60007220), (4, 45005415), (5, 36004332), (6, 30003610), (7, 25717380), (10, 18002166), (12, 15001805), (13, 13847820), (14, 12858690), (15, 12001444), (20, 9001083), (21, 8572460), (26, 6923910), (28, 6429345), (30, 6000722), (35, 5143476), (39, 4615940), (42, 4286230), (52, 3461955), (60, 3000361), (65, 2769564), (70, 2571738), (78, 2307970), (84, 2143115), (91, 1978260), (105, 1714492), (130, 1384782), (140, 1285869), (156, 1153985), (182, 989130), (195, 923188), (210, 857246), (260, 692391), (273, 659420), (364, 494565), (390, 461594), (420, 428623), (455, 395652), (546, 329710), (780, 230797), (910, 197826), (1092, 164855), (1365, 131884), (1820, 98913), (2730, 65942), (5460, 32971)]