156687440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21523}}^1$

素因数の和:21556

約数の個数: 80

約数和(自身を含む): 448387968

約数和(自身を除く): 291700528

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 21523, 43046, 86092, 107615, 150661, 172184, 215230, 279799, 301322, 344368, 430460, 559598, 602644, 753305, 860920, 1119196, 1205288, 1398995, 1506610, 1721840, 1958593, 2238392, 2410576, 2797990, 3013220, 3917186, 4476784, 5595980, 6026440, 7834372, 9792965, 11191960, 12052880, 15668744, 19585930, 22383920, 31337488, 39171860, 78343720, 156687440]

約数ペア:

[(1, 156687440), (2, 78343720), (4, 39171860), (5, 31337488), (7, 22383920), (8, 19585930), (10, 15668744), (13, 12052880), (14, 11191960), (16, 9792965), (20, 7834372), (26, 6026440), (28, 5595980), (35, 4476784), (40, 3917186), (52, 3013220), (56, 2797990), (65, 2410576), (70, 2238392), (80, 1958593), (91, 1721840), (104, 1506610), (112, 1398995), (130, 1205288), (140, 1119196), (182, 860920), (208, 753305), (260, 602644), (280, 559598), (364, 430460), (455, 344368), (520, 301322), (560, 279799), (728, 215230), (910, 172184), (1040, 150661), (1456, 107615), (1820, 86092), (3640, 43046), (7280, 21523)]