30990222

素因数分解:

$2^1\times 3^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 71539200

約数和(自身を除く): 40548978

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 71, 118, 137, 142, 177, 213, 274, 354, 411, 426, 531, 639, 822, 1062, 1233, 1278, 1593, 1917, 2466, 3186, 3699, 3834, 4189, 7398, 8083, 8378, 9727, 12567, 16166, 19454, 24249, 25134, 29181, 37701, 48498, 58362, 72747, 75402, 87543, 113103, 145494, 175086, 218241, 226206, 262629, 436482, 525258, 573893, 1147786, 1721679, 3443358, 5165037, 10330074, 15495111, 30990222]

約数ペア:

[(1, 30990222), (2, 15495111), (3, 10330074), (6, 5165037), (9, 3443358), (18, 1721679), (27, 1147786), (54, 573893), (59, 525258), (71, 436482), (118, 262629), (137, 226206), (142, 218241), (177, 175086), (213, 145494), (274, 113103), (354, 87543), (411, 75402), (426, 72747), (531, 58362), (639, 48498), (822, 37701), (1062, 29181), (1233, 25134), (1278, 24249), (1593, 19454), (1917, 16166), (2466, 12567), (3186, 9727), (3699, 8378), (3834, 8083), (4189, 7398)]