19981303680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{800533}}^1$

素因数の和:800568

約数の個数: 128

約数和(自身を含む): 68589753120

約数和(自身を除く): 48608449440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 800533, 1601066, 2401599, 3202132, 4002665, 4803198, 6404264, 8005330, 9606396, 10406929, 12007995, 12808528, 16010660, 19212792, 20813858, 24015990, 25617056, 31220787, 32021320, 38425584, 41627716, 48031980, 51234112, 52034645, 62441574, 64042640, 76851168, 83255432, 96063960, 102468224, 104069290, 124883148, 128085280, 153702336, 156103935, 166510864, 192127920, 208138580, 249766296, 256170560, 307404672, 312207870, 333021728, 384255840, 416277160, 499532592, 512341120, 624415740, 666043456, 768511680, 832554320, 999065184, 1248831480, 1332086912, 1537023360, 1665108640, 1998130368, 2497662960, 3330217280, 3996260736, 4995325920, 6660434560, 9990651840, 19981303680]

約数ペア:

[(1, 19981303680), (2, 9990651840), (3, 6660434560), (4, 4995325920), (5, 3996260736), (6, 3330217280), (8, 2497662960), (10, 1998130368), (12, 1665108640), (13, 1537023360), (15, 1332086912), (16, 1248831480), (20, 999065184), (24, 832554320), (26, 768511680), (30, 666043456), (32, 624415740), (39, 512341120), (40, 499532592), (48, 416277160), (52, 384255840), (60, 333021728), (64, 312207870), (65, 307404672), (78, 256170560), (80, 249766296), (96, 208138580), (104, 192127920), (120, 166510864), (128, 156103935), (130, 153702336), (156, 128085280), (160, 124883148), (192, 104069290), (195, 102468224), (208, 96063960), (240, 83255432), (260, 76851168), (312, 64042640), (320, 62441574), (384, 52034645), (390, 51234112), (416, 48031980), (480, 41627716), (520, 38425584), (624, 32021320), (640, 31220787), (780, 25617056), (832, 24015990), (960, 20813858), (1040, 19212792), (1248, 16010660), (1560, 12808528), (1664, 12007995), (1920, 10406929), (2080, 9606396), (2496, 8005330), (3120, 6404264), (4160, 4803198), (4992, 4002665), (6240, 3202132), (8320, 2401599), (12480, 1601066), (24960, 800533)]