79665040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:417

約数の個数: 160

約数和(自身を含む): 235984896

約数和(自身を除く): 156319856

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 353, 364, 403, 434, 455, 496, 520, 560, 620, 706, 728, 806, 868, 910, 1040, 1085, 1240, 1412, 1456, 1612, 1736, 1765, 1820, 2015, 2170, 2471, 2480, 2821, 2824, 3224, 3472, 3530, 3640, 4030, 4340, 4589, 4942, 5642, 5648, 6448, 7060, 7280, 8060, 8680, 9178, 9884, 10943, 11284, 12355, 14105, 14120, 16120, 17360, 18356, 19768, 21886, 22568, 22945, 24710, 28210, 28240, 32123, 32240, 36712, 39536, 43772, 45136, 45890, 49420, 54715, 56420, 64246, 73424, 76601, 87544, 91780, 98840, 109430, 112840, 128492, 142259, 153202, 160615, 175088, 183560, 197680, 218860, 225680, 256984, 284518, 306404, 321230, 367120, 383005, 437720, 513968, 569036, 612808, 642460, 711295, 766010, 875440, 995813, 1138072, 1225616, 1284920, 1422590, 1532020, 1991626, 2276144, 2569840, 2845180, 3064040, 3983252, 4979065, 5690360, 6128080, 7966504, 9958130, 11380720, 15933008, 19916260, 39832520, 79665040]

約数ペア:

[(1, 79665040), (2, 39832520), (4, 19916260), (5, 15933008), (7, 11380720), (8, 9958130), (10, 7966504), (13, 6128080), (14, 5690360), (16, 4979065), (20, 3983252), (26, 3064040), (28, 2845180), (31, 2569840), (35, 2276144), (40, 1991626), (52, 1532020), (56, 1422590), (62, 1284920), (65, 1225616), (70, 1138072), (80, 995813), (91, 875440), (104, 766010), (112, 711295), (124, 642460), (130, 612808), (140, 569036), (155, 513968), (182, 437720), (208, 383005), (217, 367120), (248, 321230), (260, 306404), (280, 284518), (310, 256984), (353, 225680), (364, 218860), (403, 197680), (434, 183560), (455, 175088), (496, 160615), (520, 153202), (560, 142259), (620, 128492), (706, 112840), (728, 109430), (806, 98840), (868, 91780), (910, 87544), (1040, 76601), (1085, 73424), (1240, 64246), (1412, 56420), (1456, 54715), (1612, 49420), (1736, 45890), (1765, 45136), (1820, 43772), (2015, 39536), (2170, 36712), (2471, 32240), (2480, 32123), (2821, 28240), (2824, 28210), (3224, 24710), (3472, 22945), (3530, 22568), (3640, 21886), (4030, 19768), (4340, 18356), (4589, 17360), (4942, 16120), (5642, 14120), (5648, 14105), (6448, 12355), (7060, 11284), (7280, 10943), (8060, 9884), (8680, 9178)]