164804940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9439}}^1$

素因数の和:9551

約数の個数: 72

約数和(自身を含む): 505115520

約数和(自身を除く): 340310580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 4365, 5820, 8730, 9439, 17460, 18878, 28317, 37756, 47195, 56634, 84951, 94390, 113268, 141585, 169902, 188780, 283170, 339804, 424755, 566340, 849510, 915583, 1699020, 1831166, 2746749, 3662332, 4577915, 5493498, 8240247, 9155830, 10986996, 13733745, 16480494, 18311660, 27467490, 32960988, 41201235, 54934980, 82402470, 164804940]

約数ペア:

[(1, 164804940), (2, 82402470), (3, 54934980), (4, 41201235), (5, 32960988), (6, 27467490), (9, 18311660), (10, 16480494), (12, 13733745), (15, 10986996), (18, 9155830), (20, 8240247), (30, 5493498), (36, 4577915), (45, 3662332), (60, 2746749), (90, 1831166), (97, 1699020), (180, 915583), (194, 849510), (291, 566340), (388, 424755), (485, 339804), (582, 283170), (873, 188780), (970, 169902), (1164, 141585), (1455, 113268), (1746, 94390), (1940, 84951), (2910, 56634), (3492, 47195), (4365, 37756), (5820, 28317), (8730, 18878), (9439, 17460)]