156941222840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{20611}}^1$

素因数の和:20917

約数の個数: 128

約数和(自身を含む): 381998073600

約数和(自身を除く): 225056850760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 233, 344, 380, 430, 466, 760, 817, 860, 932, 1165, 1634, 1720, 1864, 2330, 3268, 4085, 4427, 4660, 6536, 8170, 8854, 9320, 10019, 16340, 17708, 20038, 20611, 22135, 32680, 35416, 40076, 41222, 44270, 50095, 80152, 82444, 88540, 100190, 103055, 164888, 177080, 190361, 200380, 206110, 380722, 391609, 400760, 412220, 761444, 783218, 824440, 886273, 951805, 1522888, 1566436, 1772546, 1903610, 1958045, 3132872, 3545092, 3807220, 3916090, 4431365, 4802363, 7090184, 7614440, 7832180, 8862730, 9604726, 15664360, 16839187, 17725460, 19209452, 24011815, 33678374, 35450920, 38418904, 48023630, 67356748, 84195935, 91244897, 96047260, 134713496, 168391870, 182489794, 192094520, 206501609, 336783740, 364979588, 413003218, 456224485, 673567480, 729959176, 826006436, 912448970, 1032508045, 1652012872, 1824897940, 2065016090, 3649795880, 3923530571, 4130032180, 7847061142, 8260064360, 15694122284, 19617652855, 31388244568, 39235305710, 78470611420, 156941222840]

約数ペア:

[(1, 156941222840), (2, 78470611420), (4, 39235305710), (5, 31388244568), (8, 19617652855), (10, 15694122284), (19, 8260064360), (20, 7847061142), (38, 4130032180), (40, 3923530571), (43, 3649795880), (76, 2065016090), (86, 1824897940), (95, 1652012872), (152, 1032508045), (172, 912448970), (190, 826006436), (215, 729959176), (233, 673567480), (344, 456224485), (380, 413003218), (430, 364979588), (466, 336783740), (760, 206501609), (817, 192094520), (860, 182489794), (932, 168391870), (1165, 134713496), (1634, 96047260), (1720, 91244897), (1864, 84195935), (2330, 67356748), (3268, 48023630), (4085, 38418904), (4427, 35450920), (4660, 33678374), (6536, 24011815), (8170, 19209452), (8854, 17725460), (9320, 16839187), (10019, 15664360), (16340, 9604726), (17708, 8862730), (20038, 7832180), (20611, 7614440), (22135, 7090184), (32680, 4802363), (35416, 4431365), (40076, 3916090), (41222, 3807220), (44270, 3545092), (50095, 3132872), (80152, 1958045), (82444, 1903610), (88540, 1772546), (100190, 1566436), (103055, 1522888), (164888, 951805), (177080, 886273), (190361, 824440), (200380, 783218), (206110, 761444), (380722, 412220), (391609, 400760)]