1820348520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{2459}}^1$

素因数の和:2703

約数の個数: 128

約数和(自身を含む): 5667840000

約数和(自身を除く): 3847491480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 199, 248, 310, 372, 398, 465, 597, 620, 744, 796, 930, 995, 1194, 1240, 1592, 1860, 1990, 2388, 2459, 2985, 3720, 3980, 4776, 4918, 5970, 6169, 7377, 7960, 9836, 11940, 12295, 12338, 14754, 18507, 19672, 23880, 24590, 24676, 29508, 30845, 36885, 37014, 49180, 49352, 59016, 61690, 73770, 74028, 76229, 92535, 98360, 123380, 147540, 148056, 152458, 185070, 228687, 246760, 295080, 304916, 370140, 381145, 457374, 489341, 609832, 740280, 762290, 914748, 978682, 1143435, 1468023, 1524580, 1829496, 1957364, 2286870, 2446705, 2936046, 3049160, 3914728, 4573740, 4893410, 5872092, 7340115, 9147480, 9786820, 11744184, 14680230, 15169571, 19573640, 29360460, 30339142, 45508713, 58720920, 60678284, 75847855, 91017426, 121356568, 151695710, 182034852, 227543565, 303391420, 364069704, 455087130, 606782840, 910174260, 1820348520]

約数ペア:

[(1, 1820348520), (2, 910174260), (3, 606782840), (4, 455087130), (5, 364069704), (6, 303391420), (8, 227543565), (10, 182034852), (12, 151695710), (15, 121356568), (20, 91017426), (24, 75847855), (30, 60678284), (31, 58720920), (40, 45508713), (60, 30339142), (62, 29360460), (93, 19573640), (120, 15169571), (124, 14680230), (155, 11744184), (186, 9786820), (199, 9147480), (248, 7340115), (310, 5872092), (372, 4893410), (398, 4573740), (465, 3914728), (597, 3049160), (620, 2936046), (744, 2446705), (796, 2286870), (930, 1957364), (995, 1829496), (1194, 1524580), (1240, 1468023), (1592, 1143435), (1860, 978682), (1990, 914748), (2388, 762290), (2459, 740280), (2985, 609832), (3720, 489341), (3980, 457374), (4776, 381145), (4918, 370140), (5970, 304916), (6169, 295080), (7377, 246760), (7960, 228687), (9836, 185070), (11940, 152458), (12295, 148056), (12338, 147540), (14754, 123380), (18507, 98360), (19672, 92535), (23880, 76229), (24590, 74028), (24676, 73770), (29508, 61690), (30845, 59016), (36885, 49352), (37014, 49180)]