20968932560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{2503}}^1$

素因数の和:2725

約数の個数: 160

約数和(自身を含む): 52983037440

約数和(自身を除く): 32014104880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 80, 92, 115, 116, 145, 157, 184, 230, 232, 290, 314, 368, 460, 464, 580, 628, 667, 785, 920, 1160, 1256, 1334, 1570, 1840, 2320, 2503, 2512, 2668, 3140, 3335, 3611, 4553, 5006, 5336, 6280, 6670, 7222, 9106, 10012, 10672, 12515, 12560, 13340, 14444, 18055, 18212, 20024, 22765, 25030, 26680, 28888, 36110, 36424, 40048, 45530, 50060, 53360, 57569, 57776, 72220, 72587, 72848, 91060, 100120, 104719, 115138, 144440, 145174, 182120, 200240, 209438, 230276, 287845, 288880, 290348, 362935, 364240, 392971, 418876, 460552, 523595, 575690, 580696, 725870, 785942, 837752, 921104, 1047190, 1151380, 1161392, 1451740, 1571884, 1669501, 1675504, 1964855, 2094380, 2302760, 2903480, 3143768, 3339002, 3929710, 4188760, 4605520, 5806960, 6287536, 6678004, 7859420, 8347505, 8377520, 9038333, 11396159, 13356008, 15718840, 16695010, 18076666, 22792318, 26712016, 31437680, 33390020, 36153332, 45191665, 45584636, 56980795, 66780040, 72306664, 90383330, 91169272, 113961590, 133560080, 144613328, 180766660, 182338544, 227923180, 262111657, 361533320, 455846360, 524223314, 723066640, 911692720, 1048446628, 1310558285, 2096893256, 2621116570, 4193786512, 5242233140, 10484466280, 20968932560]

約数ペア:

[(1, 20968932560), (2, 10484466280), (4, 5242233140), (5, 4193786512), (8, 2621116570), (10, 2096893256), (16, 1310558285), (20, 1048446628), (23, 911692720), (29, 723066640), (40, 524223314), (46, 455846360), (58, 361533320), (80, 262111657), (92, 227923180), (115, 182338544), (116, 180766660), (145, 144613328), (157, 133560080), (184, 113961590), (230, 91169272), (232, 90383330), (290, 72306664), (314, 66780040), (368, 56980795), (460, 45584636), (464, 45191665), (580, 36153332), (628, 33390020), (667, 31437680), (785, 26712016), (920, 22792318), (1160, 18076666), (1256, 16695010), (1334, 15718840), (1570, 13356008), (1840, 11396159), (2320, 9038333), (2503, 8377520), (2512, 8347505), (2668, 7859420), (3140, 6678004), (3335, 6287536), (3611, 5806960), (4553, 4605520), (5006, 4188760), (5336, 3929710), (6280, 3339002), (6670, 3143768), (7222, 2903480), (9106, 2302760), (10012, 2094380), (10672, 1964855), (12515, 1675504), (12560, 1669501), (13340, 1571884), (14444, 1451740), (18055, 1161392), (18212, 1151380), (20024, 1047190), (22765, 921104), (25030, 837752), (26680, 785942), (28888, 725870), (36110, 580696), (36424, 575690), (40048, 523595), (45530, 460552), (50060, 418876), (53360, 392971), (57569, 364240), (57776, 362935), (72220, 290348), (72587, 288880), (72848, 287845), (91060, 230276), (100120, 209438), (104719, 200240), (115138, 182120), (144440, 145174)]