158423720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:715

約数の個数: 128

約数和(自身を含む): 445616640

約数和(自身を除く): 287192920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 280, 284, 355, 364, 455, 497, 520, 568, 613, 710, 728, 910, 923, 994, 1226, 1420, 1820, 1846, 1988, 2452, 2485, 2840, 3065, 3640, 3692, 3976, 4291, 4615, 4904, 4970, 6130, 6461, 7384, 7969, 8582, 9230, 9940, 12260, 12922, 15938, 17164, 18460, 19880, 21455, 24520, 25844, 31876, 32305, 34328, 36920, 39845, 42910, 43523, 51688, 55783, 63752, 64610, 79690, 85820, 87046, 111566, 129220, 159380, 171640, 174092, 217615, 223132, 258440, 278915, 304661, 318760, 348184, 435230, 446264, 557830, 565799, 609322, 870460, 1115660, 1131598, 1218644, 1523305, 1740920, 2231320, 2263196, 2437288, 2828995, 3046610, 3960593, 4526392, 5657990, 6093220, 7921186, 11315980, 12186440, 15842372, 19802965, 22631960, 31684744, 39605930, 79211860, 158423720]

約数ペア:

[(1, 158423720), (2, 79211860), (4, 39605930), (5, 31684744), (7, 22631960), (8, 19802965), (10, 15842372), (13, 12186440), (14, 11315980), (20, 7921186), (26, 6093220), (28, 5657990), (35, 4526392), (40, 3960593), (52, 3046610), (56, 2828995), (65, 2437288), (70, 2263196), (71, 2231320), (91, 1740920), (104, 1523305), (130, 1218644), (140, 1131598), (142, 1115660), (182, 870460), (260, 609322), (280, 565799), (284, 557830), (355, 446264), (364, 435230), (455, 348184), (497, 318760), (520, 304661), (568, 278915), (613, 258440), (710, 223132), (728, 217615), (910, 174092), (923, 171640), (994, 159380), (1226, 129220), (1420, 111566), (1820, 87046), (1846, 85820), (1988, 79690), (2452, 64610), (2485, 63752), (2840, 55783), (3065, 51688), (3640, 43523), (3692, 42910), (3976, 39845), (4291, 36920), (4615, 34328), (4904, 32305), (4970, 31876), (6130, 25844), (6461, 24520), (7384, 21455), (7969, 19880), (8582, 18460), (9230, 17164), (9940, 15938), (12260, 12922)]