155438920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42703}}^1$

素因数の和:42734

約数の個数: 64

約数和(自身を含む): 430456320

約数和(自身を除く): 275017400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 42703, 85406, 170812, 213515, 298921, 341624, 427030, 555139, 597842, 854060, 1110278, 1195684, 1494605, 1708120, 2220556, 2391368, 2775695, 2989210, 3885973, 4441112, 5551390, 5978420, 7771946, 11102780, 11956840, 15543892, 19429865, 22205560, 31087784, 38859730, 77719460, 155438920]

約数ペア:

[(1, 155438920), (2, 77719460), (4, 38859730), (5, 31087784), (7, 22205560), (8, 19429865), (10, 15543892), (13, 11956840), (14, 11102780), (20, 7771946), (26, 5978420), (28, 5551390), (35, 4441112), (40, 3885973), (52, 2989210), (56, 2775695), (65, 2391368), (70, 2220556), (91, 1708120), (104, 1494605), (130, 1195684), (140, 1110278), (182, 854060), (260, 597842), (280, 555139), (364, 427030), (455, 341624), (520, 298921), (728, 213515), (910, 170812), (1820, 85406), (3640, 42703)]