177118020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13859}}^1$

素因数の和:13945

約数の個数: 72

約数和(自身を含む): 544864320

約数和(自身を除く): 367746300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 13859, 27718, 41577, 55436, 69295, 83154, 124731, 138590, 166308, 207885, 249462, 277180, 415770, 498924, 623655, 831540, 983989, 1247310, 1967978, 2494620, 2951967, 3935956, 4919945, 5903934, 8855901, 9839890, 11807868, 14759835, 17711802, 19679780, 29519670, 35423604, 44279505, 59039340, 88559010, 177118020]

約数ペア:

[(1, 177118020), (2, 88559010), (3, 59039340), (4, 44279505), (5, 35423604), (6, 29519670), (9, 19679780), (10, 17711802), (12, 14759835), (15, 11807868), (18, 9839890), (20, 8855901), (30, 5903934), (36, 4919945), (45, 3935956), (60, 2951967), (71, 2494620), (90, 1967978), (142, 1247310), (180, 983989), (213, 831540), (284, 623655), (355, 498924), (426, 415770), (639, 277180), (710, 249462), (852, 207885), (1065, 166308), (1278, 138590), (1420, 124731), (2130, 83154), (2556, 69295), (3195, 55436), (4260, 41577), (6390, 27718), (12780, 13859)]