83880160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:865

約数の個数: 144

約数和(自身を含む): 248554656

約数和(自身を除く): 164674496

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 823, 910, 980, 1040, 1120, 1274, 1456, 1568, 1646, 1820, 1960, 2080, 2548, 2912, 3185, 3292, 3640, 3920, 4115, 5096, 5761, 6370, 6584, 7280, 7840, 8230, 10192, 10699, 11522, 12740, 13168, 14560, 16460, 20384, 21398, 23044, 25480, 26336, 28805, 32920, 40327, 42796, 46088, 50960, 53495, 57610, 65840, 74893, 80654, 85592, 92176, 101920, 106990, 115220, 131680, 149786, 161308, 171184, 184352, 201635, 213980, 230440, 299572, 322616, 342368, 374465, 403270, 427960, 460880, 524251, 599144, 645232, 748930, 806540, 855920, 921760, 1048502, 1198288, 1290464, 1497860, 1613080, 1711840, 2097004, 2396576, 2621255, 2995720, 3226160, 4194008, 5242510, 5991440, 6452320, 8388016, 10485020, 11982880, 16776032, 20970040, 41940080, 83880160]

約数ペア:

[(1, 83880160), (2, 41940080), (4, 20970040), (5, 16776032), (7, 11982880), (8, 10485020), (10, 8388016), (13, 6452320), (14, 5991440), (16, 5242510), (20, 4194008), (26, 3226160), (28, 2995720), (32, 2621255), (35, 2396576), (40, 2097004), (49, 1711840), (52, 1613080), (56, 1497860), (65, 1290464), (70, 1198288), (80, 1048502), (91, 921760), (98, 855920), (104, 806540), (112, 748930), (130, 645232), (140, 599144), (160, 524251), (182, 460880), (196, 427960), (208, 403270), (224, 374465), (245, 342368), (260, 322616), (280, 299572), (364, 230440), (392, 213980), (416, 201635), (455, 184352), (490, 171184), (520, 161308), (560, 149786), (637, 131680), (728, 115220), (784, 106990), (823, 101920), (910, 92176), (980, 85592), (1040, 80654), (1120, 74893), (1274, 65840), (1456, 57610), (1568, 53495), (1646, 50960), (1820, 46088), (1960, 42796), (2080, 40327), (2548, 32920), (2912, 28805), (3185, 26336), (3292, 25480), (3640, 23044), (3920, 21398), (4115, 20384), (5096, 16460), (5761, 14560), (6370, 13168), (6584, 12740), (7280, 11522), (7840, 10699), (8230, 10192)]